{"title":"Aquarium and Reptile Tanks","description":"\u003ch3\u003eExplore Stunning Aquarium Caves\u003c\/h3\u003e\n\u003cp\u003eStep into our mesmerizing collection of aquarium caves, perfect for enhancing your underwater landscape. These stunning naturalistic structures provide shelter for your aquatic pets while creating a visually captivating environment. Whether you have freshwater or marine tanks, our range of cave designs offers a variety of sizes and styles to suit your unique aquarium setup.\u003c\/p\u003e\n\u003ch3\u003eTransform Your Reptile Habitat\u003c\/h3\u003e\n\u003cp\u003eElevate your reptile enclosure with our diverse selection of tank accessories, including realistic cave replicas. Give your scaly friends a cozy spot to hide, rest, or play within their habitat. Our durable and easy-to-clean cave options cater to different reptile species' needs, helping create a comfortable and enriching environment for your beloved pets.\u003c\/p\u003e\n\u003ch3\u003eQuality and Versatility\u003c\/h3\u003e\n\u003cp\u003eDiscover the perfect blend of quality craftsmanship and versatility in our aquarium and reptile tank cave collection. From rugged rocky designs to intricate cave networks, each piece is crafted with attention to detail to meet the needs of both hobbyists and serious enthusiasts. Create a focal point in your tank while ensuring the well-being of your aquatic or reptilian companions with our exceptional range of cave decorations.\u003c\/p\u003e","products":[{"product_id":"large-shrimp-hide-and-cave-suitable-for-59487","title":"Large Shrimp Hide and Cave Suitable for Aquariums Aquarium","description":"\u003cp\u003eYour tiny friends will love hide, designed to give them a safe and interesting place to explore and hide. 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We also provide shipments in recycled packaging where able.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black","offer_id":49761777844488,"sku":"","price":16.55,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":49761777877256,"sku":"","price":16.55,"currency_code":"GBP","in_stock":true},{"title":"Brown","offer_id":49761777910024,"sku":"","price":16.55,"currency_code":"GBP","in_stock":true},{"title":"Grey","offer_id":49761777942792,"sku":"","price":16.55,"currency_code":"GBP","in_stock":true},{"title":"Green","offer_id":49761777975560,"sku":"","price":16.55,"currency_code":"GBP","in_stock":true},{"title":"Orange","offer_id":49761778008328,"sku":"","price":16.55,"currency_code":"GBP","in_stock":true},{"title":"Pink","offer_id":49761778041096,"sku":"","price":16.55,"currency_code":"GBP","in_stock":true},{"title":"Purple","offer_id":49761778073864,"sku":"","price":16.55,"currency_code":"GBP","in_stock":true},{"title":"Red","offer_id":49761778106632,"sku":"","price":16.55,"currency_code":"GBP","in_stock":true},{"title":"White","offer_id":49761778139400,"sku":"","price":16.55,"currency_code":"GBP","in_stock":true},{"title":"Yellow","offer_id":49761778172168,"sku":"","price":16.55,"currency_code":"GBP","in_stock":true},{"title":"Beige","offer_id":49761778204936,"sku":"","price":16.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/large-shrimp-hide-and-cave-suitable-for-aquariums-aquarium-446458.jpg?v=1771496660"},{"product_id":"aquarium-or-reptile-tank-dragon-skull-49289","title":"Aquarium or Reptile Tank Dragon Skull. 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It’s a great way to add some personality to your aquarium allowing your decorations to grow tall, doubling up as a safe place for any fish or shrimp\u003c\/p\u003e\n\u003cp\u003e📏Size\u003cbr\u003e 130mm (W) x 70mm (D) x 130mm (H)\u003c\/p\u003e\n\u003cp\u003e🔄 Material and Sustainability:\u003cbr\u003e These items are made of eco friendly plastic from recycled corn starch. We also provide shipments in recycled packaging where able.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black","offer_id":49761821032712,"sku":"","price":16.21,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":49761821065480,"sku":"","price":16.21,"currency_code":"GBP","in_stock":true},{"title":"Brown","offer_id":49761821098248,"sku":"","price":16.21,"currency_code":"GBP","in_stock":true},{"title":"Green","offer_id":49761821131016,"sku":"","price":16.21,"currency_code":"GBP","in_stock":true},{"title":"Grey","offer_id":49761821163784,"sku":"","price":16.21,"currency_code":"GBP","in_stock":true},{"title":"Orange","offer_id":49761821196552,"sku":"","price":16.21,"currency_code":"GBP","in_stock":true},{"title":"Pink","offer_id":49761821229320,"sku":"","price":16.21,"currency_code":"GBP","in_stock":true},{"title":"Purple","offer_id":49761821262088,"sku":"","price":16.21,"currency_code":"GBP","in_stock":true},{"title":"Red","offer_id":49761821294856,"sku":"","price":16.21,"currency_code":"GBP","in_stock":true},{"title":"White","offer_id":49761821327624,"sku":"","price":16.21,"currency_code":"GBP","in_stock":true},{"title":"Yellow","offer_id":49761821360392,"sku":"","price":16.21,"currency_code":"GBP","in_stock":true},{"title":"Beige","offer_id":49761821393160,"sku":"","price":16.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/moss-and-plant-shelter-for-aquariums-in-a-bonsai-tree-style-605082.jpg?v=1771496674"},{"product_id":"aquarium-glass-mounted-tunnel-with-47472","title":"Glass-Mounted Aquarium Tunnel – Floating Fish \u0026 Shrimp Hideout","description":"\u003cp data-start=\"675\" data-end=\"934\" class=\"\"\u003eCreate unique mid-level cover in your tank with this \u003cstrong data-start=\"728\" data-end=\"766\"\u003eglass-mounted aquarium tunnel hide\u003c\/strong\u003e. 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At 234mm wide on the Large size, it's built for tanks from 150 litres up where corner caves get lost and standard hides look undersized. The curved arch shape creates a dramatic visual anchor for your aquascape while giving plecos, corydoras and community fish a proper enclosed retreat. UK 3D-printed in aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy a standalone centrepiece?\u003c\/h2\u003e\n\u003cp\u003eMost aquarium caves are designed for corners — they hide in the dead space against the back glass. That works for small and medium tanks, but in a 150-litre+ setup, a corner cave disappears. Large tanks need a centrepiece: a feature that anchors the aquascape, draws the eye, and gives fish a proper destination to swim toward. Place it dead centre, on a sand bank, or surrounded by driftwood — and let it be the focal point your tank deserves.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eXL footprint — biggest cave in our range, built for tanks 150 litres and up\u003c\/li\u003e\n  \u003cli\u003eStandalone centrepiece shape — designed to be a tank focal point, not a corner accessory\u003c\/li\u003e\n  \u003cli\u003eCurved arch tunnel — wide opening for adult plecos, large catfish, big community fish\u003c\/li\u003e\n  \u003cli\u003eSubstrate-friendly base — sit visible, partially bury, or fully bury for an underground effect\u003c\/li\u003e\n  \u003cli\u003eSmooth interior — safe for delicate fins and shrimp moults\u003c\/li\u003e\n  \u003cli\u003e3D-printed in Northumberland, UK from aquarium-safe PETG\u003c\/li\u003e\n  \u003cli\u003eWide enough for shoaling species to retreat as a group\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard size:\u003c\/strong\u003e 190 × 121 × 78 mm (60 mm opening)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge (XL) size:\u003c\/strong\u003e 234 × 150 × 97 mm (81 mm opening)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Standalone — centre of tank, not corner-fitted\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank size:\u003c\/strong\u003e Standard suits 60L+ · Large XL suits 150L+\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Marble Effect, Moss Green, Sand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Northumberland, United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAdult bristlenose plecos, common plecos, sailfin plecos\u003c\/li\u003e\n  \u003cli\u003eLarge catfish — synodontis, twig catfish, clown loaches\u003c\/li\u003e\n  \u003cli\u003eCorydoras shoals (the XL fits a group together)\u003c\/li\u003e\n  \u003cli\u003eCichlids — apistogramma, kribensis, electric blue acara, severums\u003c\/li\u003e\n  \u003cli\u003eAngelfish and discus (community refuges)\u003c\/li\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp colonies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChoosing the right size\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard (190 × 121 × 78 mm):\u003c\/strong\u003e medium tanks 60–150 litres, larger community setups, multiple plecos\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge XL (234 × 150 × 97 mm):\u003c\/strong\u003e large tanks 150L+, adult plecos, big community setups, monster-tank centrepieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow is this different from your other Blubber Cove caves?\u003c\/h2\u003e\n\u003cp\u003eTwo things — placement and size. This is our only \u003cstrong\u003estandalone centrepiece\u003c\/strong\u003e cave (every other cave in our range is corner-fitted or foreground-placed). And the Large XL variant is the \u003cstrong\u003ebiggest cave we make\u003c\/strong\u003e — designed specifically for tanks where smaller caves look out of scale.\u003c\/p\u003e\n\n\u003ch2\u003eAquascape placement ideas\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDead centre:\u003c\/strong\u003e primary focal point with plants radiating outward\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSand bank centrepiece:\u003c\/strong\u003e place on a raised sand mound for elevated drama\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDriftwood pairing:\u003c\/strong\u003e flank with driftwood branches to extend the silhouette\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePartial burial:\u003c\/strong\u003e bury one side under substrate for an asymmetric natural look\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull burial:\u003c\/strong\u003e cover entirely with substrate for an invisible underground tunnel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWill it dominate my tank visually?\u003c\/h3\u003e\n\u003cp\u003eThat's the point. In a 150L+ tank, you want a clear centrepiece. The arch shape is dramatic but not noisy — it reads as a natural rock formation rather than a moulded ornament. If you want something subtler, our Arch Bridge Corner Cave is the refined version.\u003c\/p\u003e\n\n\u003ch3\u003eWill my pleco fit through the entrance?\u003c\/h3\u003e\n\u003cp\u003eOn the Large XL, yes — the 81mm opening fits adult bristlenose plecos and most common plecos. For very large sailfin or common plecos approaching 30cm body length, measure first.\u003c\/p\u003e\n\n\u003ch3\u003eCan I bury it in substrate?\u003c\/h3\u003e\n\u003cp\u003eYes — fully or partially. The shape works in three modes: fully visible centrepiece, half-buried for asymmetric naturalism, or fully buried as an underground tunnel where only the entrance shows.\u003c\/p\u003e\n\n\u003ch3\u003eWill it work in a smaller tank?\u003c\/h3\u003e\n\u003cp\u003eThe Standard size (190mm wide) works in 60-litre tanks and up. The Large XL needs 150L+ to look proportionate — in smaller tanks it dominates more than it should.\u003c\/p\u003e\n\n\u003ch3\u003eIs it safe for shrimp colonies?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe (no copper, no leaching). The XL size is particularly good for large colonies because multiple shrimp can graze the interior surfaces without competing.\u003c\/p\u003e\n\n\u003ch3\u003eWill it work for cichlids?\u003c\/h3\u003e\n\u003cp\u003eYes — the enclosed shape suits cave-spawners like apistogramma, kribensis and electric blue acara. The XL size makes a proper breeding territory.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our Northumberland workshop in aquarium-safe PETG. The XL Centrepiece is the flagship of our cave range. Free UK delivery over £30.\u003c\/p\u003e\n","brand":"Blubber Cove","offers":[{"title":"Black \/ Standard","offer_id":49761834664200,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Large","offer_id":49761834696968,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"White \/ Standard","offer_id":49761834729736,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"White \/ Large","offer_id":49761834762504,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Standard","offer_id":49761834795272,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Large","offer_id":49761834828040,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Standard","offer_id":49761834860808,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Large","offer_id":49761834893576,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Standard","offer_id":49761834926344,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Large","offer_id":49761834959112,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/underground-aquarium-or-reptile-cave-and-tunnel-in-2-sizes-centre-of-tank-915612.jpg?v=1771584296"},{"product_id":"feeding-or-viewing-portal-for-35143","title":"Feeding or Viewing Portal for Aquariums","description":"\u003cp\u003eIf you’re looking for a way to make feeding your fish or viewing them easier, this floating portal is perfect for you! The ring is designed to be used among moss or plants giving you a clear window, and it allows you to feed or view your fish without disturbing the surrounding environment.\u003c\/p\u003e\n\u003cp\u003e📏Size:\u003cbr\u003e 100mm (W) x 100mm (D) x 10mm (H)\u003c\/p\u003e\n\u003cp\u003e🔄 Material and Sustainability:\u003cbr\u003e These items are made of eco friendly plastic from recycled corn starch. We also provide shipments in recycled packaging where able.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black","offer_id":49761838006536,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"White","offer_id":49761838039304,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect","offer_id":49761838072072,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"Moss Green","offer_id":49761838104840,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"Sand","offer_id":49761838137608,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":49761838170376,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"Brown","offer_id":49761838203144,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"Green","offer_id":49761838235912,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"Grey","offer_id":49761838268680,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"Orange","offer_id":49761838301448,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"Pink","offer_id":49761838334216,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"Purple","offer_id":49761838366984,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"Red","offer_id":49761838399752,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true},{"title":"Yellow","offer_id":49761838432520,"sku":"","price":3.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/feeding-or-viewing-portal-for-aquariums-157542.jpg?v=1771496685"},{"product_id":"circular-aquarium-cave-two-entrance-tunnel","title":"Blubber Cove Circular Corner Aquarium Cave – Two-Entrance Tunnel Hide for Shy Fish","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Circular Corner Aquarium Cave\u003c\/strong\u003e is a rounded, two-entrance corner hide built around a flow-through tunnel design. Unlike single-entrance caves where shy fish can be cornered by tankmates, this cave lets fish enter one side and exit the other — calmer behaviour, less stress, and a much higher chance your skittish species will actually use it. The circular silhouette also blends naturally into planted and hardscape aquascapes. UK 3D-printed in aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy two entrances matter\u003c\/h2\u003e\n\u003cp\u003eSingle-entrance caves are great for territorial cave-spawners — but for community fish, they're a trap. Corydoras, kuhli loaches, shy tetras and nervous shrimp avoid caves they can't escape through quickly. This is why fish-keepers often see their cave-decor go unused. Two entrances solve the problem: fish enter knowing they can leave the other side, so they actually claim the space as a daytime retreat instead of avoiding it.\u003c\/p\u003e\n\n\u003ch2\u003eThe circular shape\u003c\/h2\u003e\n\u003cp\u003eThe rounded form does two things. Visually, it reads as a natural stone outcrop rather than a moulded ornament — it slots into planted, hardscape and Iwagumi aquascapes without breaking the aesthetic. Behaviourally, the curved interior means fish never hit a flat wall, which matters for nervous species that startle and dart. Substrate can be layered on top to disguise it further.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo entrances — flow-through design, fish never get cornered\u003c\/li\u003e\n  \u003cli\u003eCircular silhouette — natural stone-look aesthetic\u003c\/li\u003e\n  \u003cli\u003eCorner-fit shape — sits flush against the 90° back corner\u003c\/li\u003e\n  \u003cli\u003eSubstrate-friendly top — can be partially or fully buried\u003c\/li\u003e\n  \u003cli\u003eSmooth rounded interior — safe for delicate fins and shrimp moults\u003c\/li\u003e\n  \u003cli\u003e3D-printed in Northumberland, UK from aquarium-safe PETG\u003c\/li\u003e\n  \u003cli\u003eIdeal for shy nano fish and community setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 135 × 135 × 60 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEntrances:\u003c\/strong\u003e Two — flow-through tunnel design\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e 90-degree back corner of tank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Marble Effect, Moss Green, Sand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Northumberland, United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIdeal for these species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCorydoras (panda, pygmaeus, bronze, sterbai) — shoaling species that need group cover\u003c\/li\u003e\n  \u003cli\u003eKuhli loaches and weather loaches — wriggle-through cave behaviour\u003c\/li\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp — colony grazing\u003c\/li\u003e\n  \u003cli\u003eShy nano fish — chili rasbora, ember tetra, celestial pearl danio\u003c\/li\u003e\n  \u003cli\u003eBristlenose plecos and small catfish\u003c\/li\u003e\n  \u003cli\u003eOtocinclus and hillstream loach\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAquascape placement\u003c\/h2\u003e\n\u003cp\u003eDesigned for the back-corner 90° of rectangular tanks 30 litres and up. Pair with low-light plants like java fern, anubias or moss to soften the silhouette. The circular form works particularly well in Iwagumi and Dutch-style aquascapes where stone arrangements dominate.\u003c\/p\u003e\n\n\u003ch2\u003eAlso suitable for reptile setups\u003c\/h2\u003e\n\u003cp\u003eWhile designed for aquariums, the same flow-through circular shape works as a vivarium hide for crested geckos, leopard geckos and small reptiles or amphibians. Bury under coco fibre or reptile substrate for an underground burrow look. PETG is non-toxic in humid and dry environments.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eHow is this different from your other corner caves?\u003c\/h3\u003e\n\u003cp\u003eTwo entrances. Our other corner caves (Tall Mangrove, Wide Corner, Underground, Arch) all have one main opening. This one is a flow-through tunnel — fish enter one side, exit the other. That makes it the right pick for shy or shoaling species that won't use single-entrance caves.\u003c\/p\u003e\n\n\u003ch3\u003eWill my corydoras actually use it?\u003c\/h3\u003e\n\u003cp\u003eYes — corydoras are one of the species this design was specifically chosen for. The flow-through tunnel matches their natural behaviour of swimming through under-rock spaces. Most owners report corys claiming the cave within 24-48 hours.\u003c\/p\u003e\n\n\u003ch3\u003eIs it safe for shrimp?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe (no copper, no leaching) and the smooth interior won't catch moults. The two openings give shrimp safe escape routes from larger tankmates.\u003c\/p\u003e\n\n\u003ch3\u003eCan I bury it under substrate?\u003c\/h3\u003e\n\u003cp\u003eYes — the flat-ish top allows substrate to sit on top, hiding the structure further. Keep both entrances clear of substrate so fish can flow through.\u003c\/p\u003e\n\n\u003ch3\u003eWill it work in a community tank?\u003c\/h3\u003e\n\u003cp\u003eYes — this is one of the best community-tank cave designs because no fish gets trapped. Aggressive tankmates can't corner peaceful species inside.\u003c\/p\u003e\n\n\u003ch3\u003eIs it suitable for reptiles?\u003c\/h3\u003e\n\u003cp\u003eYes, as a secondary use. Crested geckos, leopard geckos and small snakes use it as a humid burrow when buried under reptile substrate. The two entrances are a behavioural plus for reptiles too.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our Northumberland workshop in aquarium-safe PETG. No painted resin, no imports, no surprises. Free UK delivery over £30.\u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black","offer_id":49761841447176,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"White","offer_id":49761841479944,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect","offer_id":49761841512712,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Moss Green","offer_id":49761841545480,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Sand","offer_id":49761841578248,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/large-aquarium-or-reptile-tank-underground-corner-tunnel-150821.jpg?v=1771496692"},{"product_id":"substrate-cliffs-bundle-for-aquarium-24595","title":"Substrate Cliffs Bundle for Aquarium Landscaping and Decoration - 3 Cliffs","description":"\u003cp\u003eIf you’re looking to add some depth and dimension to your aquarium, this cliff bundle is perfect for you. They allow you to create cliffs in your fish tank’s substrate, giving your fish a more natural environment to swim in. You can use these ledges to create a variety of different landscapes, from rocky cliffs to sandy beaches if substrate colours are mixed at different levels.\u003c\/p\u003e\n\u003cp\u003eIncluded in the bundle are 3 sizes with different lengths and shapes to get you started.\u003c\/p\u003e\n\u003cp\u003e📏Size:\u003cbr\u003e Small Cliff - 80mm (W) x 35mm (H)\u003cbr\u003e Medium Cliff - 170mm (W) x 35mm (H)\u003cbr\u003e Large Cliff - 250mm (W) x 35mm (H)\u003c\/p\u003e\n\u003cp\u003e🔄 Material and Sustainability:\u003cbr\u003e These items are made of eco friendly plastic from recycled corn starch. We also provide shipments in recycled packaging where able.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black","offer_id":49761848328456,"sku":"","price":17.95,"currency_code":"GBP","in_stock":true},{"title":"White","offer_id":49761848361224,"sku":"","price":17.95,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect","offer_id":49761848393992,"sku":"","price":17.95,"currency_code":"GBP","in_stock":true},{"title":"Moss Green","offer_id":49761848426760,"sku":"","price":17.95,"currency_code":"GBP","in_stock":true},{"title":"Sand","offer_id":49761848459528,"sku":"","price":17.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/substrate-cliffs-bundle-for-aquarium-landscaping-and-decoration-3-cliffs-8572709.jpg?v=1772634286"},{"product_id":"charizard-skull-for-reptile-and-aquarium-14906","title":"Charizard Skull for Reptile and Aquarium Tanks","description":"\u003cp\u003eAdd a touch of intrigue and mystery to your home, aquarium or reptile tank with this Charizard skull decoration. Whether you're a fan of Pokémon or simply appreciate the macabre, this decoration is sure to delight.\u003c\/p\u003e\n\u003cp\u003eIt makes a great hide for your pets or is a great eye catching display for a shelf!\u003c\/p\u003e\n\u003cp\u003e📏Size:\u003cbr\u003e Small: 47 mm (H) x 42 mm (W) x 88 mm (D)\u003cbr\u003e Medium: 94 mm (H) x 83 mm (W) x 175 mm (D)\u003cbr\u003e Large: 129 mm (H) x 114 mm (W) x 240 mm (D)\u003c\/p\u003e\n\u003cp\u003e🔄 Material and Sustainability:\u003cbr\u003e These items are made of eco friendly plastic from recycled corn starch. We also provide shipments in recycled packaging where able.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Small","offer_id":49761860321544,"sku":"","price":7.85,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":49761860354312,"sku":"","price":17.22,"currency_code":"GBP","in_stock":true},{"title":"Large","offer_id":49761860387080,"sku":"","price":31.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/charizard-skull-for-reptile-and-aquarium-tanks-512375.jpg?v=1771496706"},{"product_id":"long-buried-aquarium-tunnel-shrimp-breeding-cave","title":"Blubber Cove Long Aquarium Tunnel – Buried Shrimp Breeding Cave (Left or Right)","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Long Aquarium Tunnel\u003c\/strong\u003e is a long, slim hidden tunnel designed to disappear under your substrate. Where most aquarium caves are bulky shells that dominate the tank, this one runs flat and narrow along the bottom — burying invisibly under sand or gravel to create a long underground tunnel system that shrimp, fry and corydoras claim as breeding territory. Choose left-facing or right-facing to match your tank's flow direction. UK 3D-printed in our Northumberland workshop from aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy a long buried tunnel works for breeders\u003c\/h2\u003e\n\u003cp\u003eShrimp and small fish breed best when they have enclosed, low-flow territory away from tankmates. A long buried tunnel gives them that — multiple internal feet of dark, sheltered space where berried shrimp can hide and fry can grow without being eaten. Unlike a single-chamber cave, the tunnel length means a whole colony can claim it at once. Established breeders use this kind of setup specifically to increase fry survival rates.\u003c\/p\u003e\n\n\u003ch2\u003eWhy left or right?\u003c\/h2\u003e\n\u003cp\u003eThe tunnel openings face one direction. Pick the variant that matches your tank — if your filter outflow runs left-to-right, choose right-facing so the tunnel entrance faces against the flow (calmer water inside the tunnel). For breeding tanks specifically, this small detail matters: shrimp avoid high-flow entrances. The mirror variants exist so you don't have to compromise on placement.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eLong thin tunnel shape — runs along the tank bottom, fully buries under substrate\u003c\/li\u003e\n  \u003cli\u003eLeft or right facing variants — match your tank flow direction\u003c\/li\u003e\n  \u003cli\u003eHidden once buried — only the tunnel opening shows\u003c\/li\u003e\n  \u003cli\u003eDesigned for shrimp breeding tanks, fry grow-outs and planted nano setups\u003c\/li\u003e\n  \u003cli\u003eSmooth interior — safe for delicate fins, shrimp moults and tiny fry\u003c\/li\u003e\n  \u003cli\u003e3D-printed in Northumberland, UK from aquarium-safe PETG\u003c\/li\u003e\n  \u003cli\u003eEncourages natural foraging and burrow-style hiding behaviour\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard size:\u003c\/strong\u003e 174 × 73 × 62 mm (tunnel opening 75 mm wide)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge size:\u003c\/strong\u003e 222 × 89 × 80 mm (tunnel opening 93 mm wide)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVariants:\u003c\/strong\u003e Standard-Left, Standard-Right, Large-Left, Large-Right\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Buried under substrate along the tank bottom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Marble Effect, Moss Green, Sand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Northumberland, United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable for these setups\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp breeding tanks\u003c\/li\u003e\n  \u003cli\u003eCorydoras spawning and fry grow-out tanks\u003c\/li\u003e\n  \u003cli\u003ePlanted nano communities (chili rasbora, ember tetra, CPD)\u003c\/li\u003e\n  \u003cli\u003eEndler and guppy fry grow-out tanks\u003c\/li\u003e\n  \u003cli\u003eKuhli loach habitat enrichment\u003c\/li\u003e\n  \u003cli\u003eAquascapes where decor needs to be invisible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to set it up for breeding\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003ePlace the tunnel along the back or side of the tank, opening facing away from filter flow\u003c\/li\u003e\n  \u003cli\u003eCover the top and sides with substrate (sand or fine gravel works best)\u003c\/li\u003e\n  \u003cli\u003eLeave the entrance opening clear\u003c\/li\u003e\n  \u003cli\u003ePlant moss carpets or low-light plants directly on top to disguise further\u003c\/li\u003e\n  \u003cli\u003eWithin days, shrimp and bottom-dwellers will claim it as a breeding territory\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eHow does this differ from your other underground cave?\u003c\/h3\u003e\n\u003cp\u003eShape and length. Our Underground Corner Cave is a square 135×135mm shell designed for the back 90° corner. This one is a long thin 174×73mm tunnel designed to run along the tank bottom. Choose this for shrimp breeding tanks where you want longer hidden territory; choose the corner cave for general nano-tank shelter in the back corner.\u003c\/p\u003e\n\n\u003ch3\u003eWhich direction (left or right) should I choose?\u003c\/h3\u003e\n\u003cp\u003eLook at your filter outflow direction. If water flows left-to-right across your tank, pick right-facing so the tunnel opens against the flow (calmer interior). If water flows right-to-left, pick left-facing. For breeding tanks specifically, lower interior flow improves fry survival.\u003c\/p\u003e\n\n\u003ch3\u003eWill the substrate weight crush it?\u003c\/h3\u003e\n\u003cp\u003eNo — PETG is rigid and the tunnel is engineered to take substrate load. You can cover it with several centimetres of sand or gravel without warping.\u003c\/p\u003e\n\n\u003ch3\u003eIs it safe for shrimp colonies?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe (no copper, no leaching). The smooth interior won't catch moults. The long enclosed space is specifically suited to breeding colonies — berried females retreat inside to give birth.\u003c\/p\u003e\n\n\u003ch3\u003eWill fry actually grow inside?\u003c\/h3\u003e\n\u003cp\u003eYes — shrimplets, corydoras fry and small livebearer fry use the tunnel as a grow-out hiding zone away from larger tankmates. Many buyers report visible fry survival increases after adding one.\u003c\/p\u003e\n\n\u003ch3\u003eCan I plant on top?\u003c\/h3\u003e\n\u003cp\u003eYes — low-light plants like cryptocoryne, moss carpets or anubias work beautifully directly above the buried tunnel. Roots grow around the structure.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I clean it?\u003c\/h3\u003e\n\u003cp\u003eMost buyers leave it buried permanently — debris washes through naturally with water changes. If you want to deep-clean, lift gently from substrate, rinse in tank water, and reposition. Never use soap or detergent.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our Northumberland workshop in aquarium-safe PETG. Small-batch production, every piece checked before it ships. No imports, no drop-shipping. Free UK delivery over £30.\u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black \/ Standard - Right","offer_id":49761863336200,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Standard - Left","offer_id":49761863368968,"sku":"","price":24.95,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Large - Right","offer_id":49761863401736,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Large - Left","offer_id":49761863434504,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"White \/ Standard - Right","offer_id":49761863467272,"sku":"","price":24.95,"currency_code":"GBP","in_stock":true},{"title":"White \/ Standard - Left","offer_id":49761863500040,"sku":"","price":24.95,"currency_code":"GBP","in_stock":true},{"title":"White \/ Large - Right","offer_id":49761863532808,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"White \/ Large - Left","offer_id":49761863565576,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Standard - Right","offer_id":49761863598344,"sku":"","price":24.95,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Standard - Left","offer_id":49761863631112,"sku":"","price":24.95,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Large - Right","offer_id":49761863663880,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Large - Left","offer_id":49761863696648,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Standard - Right","offer_id":49761863729416,"sku":"","price":24.95,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Standard - Left","offer_id":49761863762184,"sku":"","price":24.95,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Large - Right","offer_id":49761863794952,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Large - Left","offer_id":49761863827720,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Standard - Right","offer_id":49761863860488,"sku":"","price":24.95,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Standard - Left","offer_id":49761863893256,"sku":"","price":24.95,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Large - Right","offer_id":49761863926024,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Large - Left","offer_id":49761863958792,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/reptile-or-aquarium-corner-cave-and-tunnel-in-2-sizes-natural-style-668546.jpg?v=1771496708"},{"product_id":"arch-aquarium-cave-minimalist-corner-hide","title":"Blubber Cove Arch Aquarium Cave – Minimalist Corner Hide for Shrimp \u0026 Bettas","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Arch Aquarium Cave\u003c\/strong\u003e is a sculpted arch-shaped corner hide for aquascapers who want their decor to disappear into the aquascape rather than dominate it. The refined curved silhouette tucks flush against the back-corner glass, while the open arch creates a natural in-and-out passage for shrimp, bettas and nano fish. A subtler alternative to bolder cave designs — minimalist, structural, and unmistakably built for design-led aquascapes. UK 3D-printed in aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy the arch shape works\u003c\/h2\u003e\n\u003cp\u003eMost aquarium caves are closed shells with a single opening — visually heavy, often clashing with planted-tank aesthetics. The arch design solves that. The open span lets light pass through, gives fish multiple entry and exit points, and reads as a natural rock arch rather than a moulded ornament. It's the cave for aquascapers whose tanks are entered into competitions — or just photographed often.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSculpted arch silhouette — refined, minimalist alternative to closed caves\u003c\/li\u003e\n  \u003cli\u003eCorner-fit shape — sits flush against the back 90° corner glass\u003c\/li\u003e\n  \u003cli\u003eFlat top for substrate or moss layering — disappears further into the scape\u003c\/li\u003e\n  \u003cli\u003eOpen span — multiple entry points, light passes through, fish never feel trapped\u003c\/li\u003e\n  \u003cli\u003eSmooth interior — safe for delicate fins and shrimp moults\u003c\/li\u003e\n  \u003cli\u003e3D-printed in the UK from aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003eDesigned for planted, blackwater, hardscape and minimalist aquascapes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard size:\u003c\/strong\u003e 135 × 135 × 70 mm (tunnel openings 35 × 30 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge size:\u003c\/strong\u003e 191 × 191 × 100 mm (tunnel openings 49 × 42 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Sculpted arch \/ bridge profile\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e 90-degree back corner of tank (visible, above substrate)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Marble Effect, Moss Green, Sand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp\u003c\/li\u003e\n  \u003cli\u003eBetta splendens (Siamese fighting fish)\u003c\/li\u003e\n  \u003cli\u003eCorydoras (panda, bronze, pygmaeus)\u003c\/li\u003e\n  \u003cli\u003eKuhli loaches and weather loaches\u003c\/li\u003e\n  \u003cli\u003eNano community fish — chili rasbora, ember tetra, celestial pearl danio\u003c\/li\u003e\n  \u003cli\u003eDwarf cichlids (apistogramma, kribensis)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChoosing the right size\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard (135 × 135 × 70 mm):\u003c\/strong\u003e nano tanks 20–60 litres, shrimp colonies, single bettas\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge (191 × 191 × 100 mm):\u003c\/strong\u003e mid-size tanks 60–200 litres, communities, larger nano-fish shoals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAquascape styling tips\u003c\/h2\u003e\n\u003cp\u003eThe arch shape pairs especially well with: java fern and anubias mounted on driftwood adjacent to the cave · moss carpets across the flat top · iwagumi-style stone arrangements either side · low-light substrate (aquasoil, sand). Avoid overplanting directly in front of the arch opening — the negative space inside the arch is part of the visual.\u003c\/p\u003e\n\n\u003ch2\u003eAlso suitable for reptile and amphibian setups\u003c\/h2\u003e\n\u003cp\u003eThe arch design also works as a vivarium or terrarium hide. Compatible with axolotl tanks, crested gecko enclosures, leopard gecko setups and small reptile\/amphibian habitats. PETG is non-toxic in humid environments and the open arch makes it easy for pets to enter and exit.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eHow is this different from your other corner caves?\u003c\/h3\u003e\n\u003cp\u003eThe shape. This is the sculpted arch — a refined, open silhouette that suits minimalist and planted aquascapes. Our other corner caves are: the Tall Mangrove (bolder pillared design for vertical interest), the Wide Corner (extra-wide entrance for big-bodied fish), and the Underground (designed to be buried under substrate).\u003c\/p\u003e\n\n\u003ch3\u003eWill my fish actually use it?\u003c\/h3\u003e\n\u003cp\u003eYes. The open arch means fish never feel trapped, which makes them more likely to use it as a daytime rest spot. Shrimp claim the interior shadow as a colony grazing zone, and bettas often perch under the arch top.\u003c\/p\u003e\n\n\u003ch3\u003eIs it safe for shrimp?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe with no copper or leaching. The smooth interior won't catch moults.\u003c\/p\u003e\n\n\u003ch3\u003eCan I plant on top of it?\u003c\/h3\u003e\n\u003cp\u003eYes — the flat top is designed for moss carpets, low-light plants or hardscape additions. Many buyers layer Java moss or anubias directly across the top for a fully natural look.\u003c\/p\u003e\n\n\u003ch3\u003eWill it fit my tank?\u003c\/h3\u003e\n\u003cp\u003eThe Standard fits tanks from 20 litres up (Fluval Spec, nano cubes). The Large suits 60–200 litre tanks. Both need a 90-degree internal corner — most rectangular tanks.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it work in a bow-front or curved tank?\u003c\/h3\u003e\n\u003cp\u003eNot ideally — the corner-fit shape is designed for 90° back corners. For curved tanks, our Aquarium Cave Hideaway (rounded dome) sits better.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our UK workshop in aquarium-safe PETG. No painted resin, no imports, no surprises. Free UK delivery over £30.\u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black \/ Standard","offer_id":49761873068296,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Large","offer_id":49761873133832,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"White \/ Standard","offer_id":49761873166600,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"White \/ Large","offer_id":49761873199368,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Standard","offer_id":49761873264904,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Large","offer_id":49761873297672,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Standard","offer_id":49761873330440,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Large","offer_id":49761873395976,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Standard","offer_id":49761873428744,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Large","offer_id":49761873461512,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/corner-natural-tunnel-for-aquarium-or-reptiles-tanks-321925.jpg?v=1771496545"},{"product_id":"floating-aquarium-mine-ideal-accessory-66889","title":"Floating Aquarium Mine \/ Ideal Accessory for any Fish Tank","description":"\u003cp\u003eAdd a touch of danger to your fish tank with this floating mine. These mines come with 15cm of chain which attach between the base and mine itself. Depending on your substrate density you may need some additional weight to hold it down, I recommend lead weights or rocks if needed. If you are using salt water it will require more weight.\u003c\/p\u003e\n\u003cp\u003eMinor assembly is needed to create the chain and link them however this takes only a few minutes. Additional chain is available and provided loose, allowing you to create varied lengths.\u003c\/p\u003e\n\u003cp\u003e📏Size\u003cbr\u003e 54mm (W) x 56mm (D) x 47mm (H)\u003c\/p\u003e\n\u003cp\u003e🔄 Material and Sustainability:\u003cbr\u003e These items are made of eco friendly plastic from recycled corn starch. We also provide shipments in recycled packaging where able.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Mine \u0026 15cm Chain","offer_id":49761880965384,"sku":"","price":11.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/floating-aquarium-mine-ideal-accessory-for-any-fish-tank-8264272.png?v=1772634276"},{"product_id":"cubone-skull-for-reptile-and-aquarium-33454","title":"Cubone Skull for Reptile and Aquarium Tanks","description":"\u003cp\u003eAdd a touch of intrigue and mystery to your scaly friends with this Cubone skull decoration. Whether you're a fan of Pokémon or simply appreciate the macabre, this decoration is sure to delight.\u003c\/p\u003e\n\u003cp\u003eIf you would like a different colour or sizes please send me a message and we will try and make it happen!\u003c\/p\u003e\n\u003cp\u003e📏Size:\u003cbr\u003e Small: 50 mm (H) x 59 mm (W) x 55 mm (D)\u003cbr\u003e Medium: 100 mm (H) x 118 mm (W) x 111 mm (D)\u003cbr\u003e Large: 150 mm (H) x 178 mm (W) x 167 mm (D)\u003c\/p\u003e\n\u003cp\u003e🔄 Material and Sustainability:\u003cbr\u003e These items are made of eco friendly plastic from recycled corn starch. We also provide shipments in recycled packaging where we are able.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Small","offer_id":49761886077192,"sku":"","price":7.58,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":49761886109960,"sku":"","price":15.12,"currency_code":"GBP","in_stock":true},{"title":"Large","offer_id":49761886142728,"sku":"","price":24.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/cubone-skull-for-reptile-and-aquarium-tanks-720088.jpg?v=1771496711"},{"product_id":"corner-aquarium-cave-for-fish-and-85232","title":"Corner Aquarium Cave For Fish and Shrimp","description":"\u003cp\u003eYour scaly friends will love the underground tunnel! Designed to create extra space within your substrate. It sits against the glass inside your aquarium and provides a fun and safe place for your fish or reptiles to explore. Coming in two pieces, they simply push together to create the corner hide for your bottom dwellers. \u003c\/p\u003e\n\u003cp\u003e📏Size:\u003cbr\u003e Standard - This comes in 2 pieces which slot together.\u003cbr\u003e Piece 1 - 110mm Wide x 40mm Deep x 42mm Height\u003cbr\u003e Piece 2 - 150mm Wide x 40mm Deep x 42mm Height\u003cbr\u003e Tunnel openings - 35mm x 42mm\u003c\/p\u003e\n\u003cp\u003eLarge - This comes in 2 pieces which slot together.\u003cbr\u003e Piece 1 - 135mm Wide x 52mm Deep x 48mm Height\u003cbr\u003e Piece 2 - 187mm Wide x 52mm Deep x 48mm Height\u003cbr\u003e Tunnel Openings - 43mm x 53mm\u003c\/p\u003e\n\u003cp\u003e🔄 Material and Sustainability:\u003cbr\u003e These items are made of eco friendly plastic from recycled corn starch. We also provide shipments in recycled packacing where able.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black \/ Standard","offer_id":49761892630792,"sku":"","price":10.2,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Large","offer_id":49761892663560,"sku":"","price":13.82,"currency_code":"GBP","in_stock":true},{"title":"White \/ Standard","offer_id":49761892696328,"sku":"","price":10.2,"currency_code":"GBP","in_stock":true},{"title":"White \/ Large","offer_id":49761892729096,"sku":"","price":13.82,"currency_code":"GBP","in_stock":true},{"title":"Beige \/ Standard","offer_id":49761892761864,"sku":"","price":10.2,"currency_code":"GBP","in_stock":true},{"title":"Beige \/ Large","offer_id":49761892794632,"sku":"","price":13.82,"currency_code":"GBP","in_stock":true},{"title":"Marble \/ Standard","offer_id":49761892827400,"sku":"","price":10.2,"currency_code":"GBP","in_stock":true},{"title":"Marble \/ Large","offer_id":49761892860168,"sku":"","price":13.82,"currency_code":"GBP","in_stock":true},{"title":"Green \/ Standard","offer_id":49761892892936,"sku":"","price":10.2,"currency_code":"GBP","in_stock":true},{"title":"Green \/ Large","offer_id":49761892925704,"sku":"","price":13.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/corner-aquarium-cave-for-fish-and-shrimp-969904.jpg?v=1771496715"},{"product_id":"floating-water-diffuser-to-slow-aquarium-11722","title":"Floating Aquarium Water Change Diffuser – Slows Flow, No Clips Needed","description":"\u003cp data-start=\"627\" data-end=\"960\" class=\"\"\u003e\u003cstrong data-start=\"627\" data-end=\"738\"\u003eProtect your tank's layout and fish during water changes with this floating flow diffuser from BlubberCove.\u003c\/strong\u003e\u003cbr data-start=\"738\" data-end=\"741\"\u003eCrafted for aquascapers and nano-tank keepers, this tool reduces the pressure of incoming water, softening flow and preventing substrate disruption — especially important for shrimp, betta, corydoras, and planted tanks.\u003c\/p\u003e\n\u003cp data-start=\"962\" data-end=\"1115\" class=\"\"\u003eNo suction cups or mounts required. Just place it in the corner of your aquarium, pour water into it, and it floats gently in place, dispersing the flow.\u003c\/p\u003e\n\u003chr data-start=\"1117\" data-end=\"1120\" class=\"\"\u003e\n\u003cp data-start=\"1122\" data-end=\"1138\" class=\"\"\u003e\u003cstrong data-start=\"1122\" data-end=\"1138\"\u003e📦 Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1139\" data-end=\"1384\"\u003e\n\u003cli data-start=\"1139\" data-end=\"1187\" class=\"\"\u003e\n\u003cp data-start=\"1141\" data-end=\"1187\" class=\"\"\u003e🐠 Gently diffuses water flow during changes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1188\" data-end=\"1238\" class=\"\"\u003e\n\u003cp data-start=\"1190\" data-end=\"1238\" class=\"\"\u003e🌀 Floats naturally — no suction cups or clips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1239\" data-end=\"1293\" class=\"\"\u003e\n\u003cp data-start=\"1241\" data-end=\"1293\" class=\"\"\u003e🌿 Helps protect delicate aquascapes and livestock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1294\" data-end=\"1321\" class=\"\"\u003e\n\u003cp data-start=\"1296\" data-end=\"1321\" class=\"\"\u003e📏 135mm x 135mm x 50mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1322\" data-end=\"1384\" class=\"\"\u003e\n\u003cp data-start=\"1324\" data-end=\"1384\" class=\"\"\u003e♻️ Crafted in Northumberland, UK from eco-friendly material\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Blubber Cove","offers":[{"title":"Default Title","offer_id":49761934147848,"sku":"","price":13.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/floating-water-diffuser-to-slow-aquarium-flow-rate-for-water-changes-905295.jpg?v=1771496727"},{"product_id":"2-piece-corner-aquarium-tunnel-hooded-tank","title":"Blubber Cove 2-Piece Corner Aquarium Tunnel – Easy Install for Hooded Tanks","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove 2-Piece Corner Tunnel\u003c\/strong\u003e is a slot-together corner cave designed for tanks where dropping in a single bulky cave is awkward — hooded aquariums, lidded nano tanks, tanks with cross-bracing, or built-in setups where you can't easily lower a 200mm cave through a small access opening. Ships as two smaller pieces that slot together at the tank corner under your substrate. Once assembled and buried, it functions as a single corner cave; the join disappears under the substrate. UK 3D-printed in aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy a 2-piece design?\u003c\/h2\u003e\n\u003cp\u003eMany tanks aren't easy to drop decor into. Hooded tanks with tight access flaps, lidded nano cubes with small openings, planted tanks with cross-bracing, or built-in \/ wall-mounted aquariums all share the same problem: a single 200mm cave physically won't fit through the access. This cave solves that. Each piece is roughly 100mm — small enough to drop through almost any tank opening. You assemble the two halves at the corner under your substrate, bury, and the result is a single buried corner tunnel that buyers with standard open-top tanks would have bought as a one-piece.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e2-piece slot-together design — each piece fits through tight tank access openings\u003c\/li\u003e\n  \u003cli\u003eCorner-fit shape — sits against the back 90° corner of the tank\u003c\/li\u003e\n  \u003cli\u003eSlim 40mm profile — buries fully in shallow aquascape substrate\u003c\/li\u003e\n  \u003cli\u003eDesigned for hooded, lidded and access-limited tanks\u003c\/li\u003e\n  \u003cli\u003eSmooth interior — safe for delicate shrimp moults and fry\u003c\/li\u003e\n  \u003cli\u003e3D-printed in Northumberland, UK from aquarium-safe PETG\u003c\/li\u003e\n  \u003cli\u003eIdeal for shrimp colonies, corydoras and small community fish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard size (2 pieces):\u003c\/strong\u003e Piece 1: 105 × 40 × 40 mm · Piece 2: 100 × 42 × 40 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard assembled length:\u003c\/strong\u003e approximately 205mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge size (2 pieces):\u003c\/strong\u003e Piece 1: 140 × 52 × 48 mm · Piece 2: 132 × 52 × 48 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge assembled length:\u003c\/strong\u003e approximately 272mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Back corner of tank, buried under substrate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSubstrate depth needed:\u003c\/strong\u003e 4-5cm to fully bury Standard, 5-6cm for Large\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Beige, Marble Effect, Green\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Northumberland, United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIdeal for these tank types\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHooded aquariums with limited top access (Fluval Flex, Marina, Aqueon kit tanks)\u003c\/li\u003e\n  \u003cli\u003eLidded nano cubes and bowfront tanks\u003c\/li\u003e\n  \u003cli\u003eCross-braced planted tanks where a single bulky piece won't drop through\u003c\/li\u003e\n  \u003cli\u003eBuilt-in or wall-mounted aquariums with restricted access\u003c\/li\u003e\n  \u003cli\u003eTanks where you're rescaping without fully draining — assemble piece-by-piece\u003c\/li\u003e\n  \u003cli\u003eStandard open-top tanks too — assembly is still quick and the result is identical\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp\u003c\/li\u003e\n  \u003cli\u003eCorydoras (panda, bronze, pygmaeus)\u003c\/li\u003e\n  \u003cli\u003eKuhli loaches and weather loaches\u003c\/li\u003e\n  \u003cli\u003eSmall community fish — chili rasbora, ember tetra, CPD\u003c\/li\u003e\n  \u003cli\u003eShrimp fry and small fry of any peaceful species\u003c\/li\u003e\n  \u003cli\u003eBristlenose plecos (Large size)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to install\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDrop each piece individually through your tank's access opening\u003c\/li\u003e\n  \u003cli\u003ePosition both pieces at the back corner of the tank, slot edges aligned\u003c\/li\u003e\n  \u003cli\u003ePush the pieces gently together — the slot join holds firm under substrate weight\u003c\/li\u003e\n  \u003cli\u003ePour sand, gravel or aquasoil over the top to bury\u003c\/li\u003e\n  \u003cli\u003eKeep tunnel openings clear at each end so fish can enter and exit\u003c\/li\u003e\n  \u003cli\u003eWithin hours, shrimp and bottom-dwellers explore and claim the cave\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eHow is this different from your other corner caves?\u003c\/h2\u003e\n\u003cp\u003eThe shipping format. This one ships in two pieces specifically to drop through tight tank openings — useful if you have a hooded tank, lidded nano, or any setup where a single 200mm cave is too bulky to manoeuvre into position. Functionally, once assembled and buried, it works the same as a single-piece corner cave. Pick this if your tank access is restricted; pick our single-piece corner caves (Underground Corner, Slim Against-Glass) if you have open-top access.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWill the two pieces stay together once buried?\u003c\/h3\u003e\n\u003cp\u003eYes — the slot join is designed to be load-bearing under substrate weight. Once buried, the substrate itself locks the pieces in place. The join becomes invisible under the substrate line.\u003c\/p\u003e\n\n\u003ch3\u003eCan I take it apart for cleaning?\u003c\/h3\u003e\n\u003cp\u003eYes — gently lift each piece during deep cleans, rinse in tank water, reposition and re-slot. Most owners leave it permanently buried; debris washes through naturally during water changes.\u003c\/p\u003e\n\n\u003ch3\u003eWill it look like two separate pieces in my tank?\u003c\/h3\u003e\n\u003cp\u003eNo — once buried under substrate, only the two tunnel openings (one at each end of the assembled cave) are visible. The join down the middle disappears completely under the substrate line.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if I have an open-top tank?\u003c\/h3\u003e\n\u003cp\u003eIt still works fine — assembly takes about 30 seconds. But if you have full open-top access, our single-piece corner caves are slightly more convenient since there's nothing to assemble. This cave is specifically for buyers whose tank access is restricted.\u003c\/p\u003e\n\n\u003ch3\u003eIs it safe for shrimp?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe (no copper, no leaching) and the smooth interior won't catch moults. The slot join is internal — shrimp can't get caught in it.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it work in saltwater tanks?\u003c\/h3\u003e\n\u003cp\u003eDesigned for freshwater. PETG is inert but we don't currently certify saltwater longevity — for reef and marine setups, source dedicated marine-safe decor.\u003c\/p\u003e\n\n\u003ch3\u003eCan I assemble it outside the tank first?\u003c\/h3\u003e\n\u003cp\u003eNot recommended — the assembled cave is 205mm (Standard) or 272mm (Large), which defeats the purpose of the 2-piece design if you have restricted access. Assemble inside the tank at the corner.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our Northumberland workshop in aquarium-safe PETG. The 2-Piece Corner Tunnel was developed specifically for tanks where standard single-piece decor doesn't fit through the access — a real problem that's rarely addressed in aquarium decor design. Free UK delivery over £30.\u003c\/p\u003e\n","brand":"Blubber Cove","offers":[{"title":"Standard \/ Black","offer_id":49761941225736,"sku":"","price":10.15,"currency_code":"GBP","in_stock":true},{"title":"Standard \/ White","offer_id":49761941258504,"sku":"","price":10.15,"currency_code":"GBP","in_stock":true},{"title":"Standard \/ Beige","offer_id":49761941291272,"sku":"","price":10.15,"currency_code":"GBP","in_stock":true},{"title":"Standard \/ Marble Effect","offer_id":49761941324040,"sku":"","price":10.15,"currency_code":"GBP","in_stock":true},{"title":"Standard \/ Green","offer_id":49761941356808,"sku":"","price":10.15,"currency_code":"GBP","in_stock":true},{"title":"Large \/ Black","offer_id":49761941389576,"sku":"","price":13.88,"currency_code":"GBP","in_stock":true},{"title":"Large \/ White","offer_id":49761941422344,"sku":"","price":13.88,"currency_code":"GBP","in_stock":true},{"title":"Large \/ Beige","offer_id":49761941455112,"sku":"","price":13.88,"currency_code":"GBP","in_stock":true},{"title":"Large \/ Marble Effect","offer_id":49761941487880,"sku":"","price":13.88,"currency_code":"GBP","in_stock":true},{"title":"Large \/ Green","offer_id":49761941520648,"sku":"","price":13.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/corner-shrimp-underground-tunnel-a-safe-place-in-the-substrate-250032.jpg?v=1771496729"},{"product_id":"shrimp-hides-in-3-94482","title":"Shrimp Hides in 3 Styles","description":"\u003cp\u003eEnhance your aquarium with these charming and fun small hides, perfect for providing a cosy spot for your shrimps. They come in batches of 6 for the cubes and spheres and batches of 1 for the pipes.\u003c\/p\u003e\n\u003cp\u003e📏Size:\u003cbr\u003e This listing is for shrimp hides which come in 3 different styles.\u003cbr\u003e Cubes: 20 mm (H) x 20 mm (W) x 20 mm (D)\u003cbr\u003e Spheres: 25 mm (H) x 25 mm (W) x 25 mm (D)\u003cbr\u003e Tubes: 50 mm (H) x 54 mm (W) x 50 mm (D)\u003c\/p\u003e\n\u003cp\u003e🔄 Material and Sustainability:\u003cbr\u003e These items are made of eco friendly plastic from recycled corn starch. We also provide shipments in recycled packaging where able.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"6 x Cube \/ White","offer_id":49761948041480,"sku":"","price":3.62,"currency_code":"GBP","in_stock":true},{"title":"6 x Cube \/ Black","offer_id":49761948074248,"sku":"","price":3.62,"currency_code":"GBP","in_stock":true},{"title":"6 x Cube \/ Beige","offer_id":49761948107016,"sku":"","price":3.62,"currency_code":"GBP","in_stock":true},{"title":"6 x Cube \/ Marble Effect","offer_id":49761948139784,"sku":"","price":3.62,"currency_code":"GBP","in_stock":true},{"title":"6 x Cube \/ Green","offer_id":49761948172552,"sku":"","price":3.62,"currency_code":"GBP","in_stock":true},{"title":"6 x Sphere \/ White","offer_id":49761948205320,"sku":"","price":3.62,"currency_code":"GBP","in_stock":true},{"title":"6 x Sphere \/ Black","offer_id":49761948238088,"sku":"","price":3.62,"currency_code":"GBP","in_stock":true},{"title":"6 x Sphere \/ Beige","offer_id":49761948270856,"sku":"","price":3.62,"currency_code":"GBP","in_stock":true},{"title":"6 x Sphere \/ Marble Effect","offer_id":49761948303624,"sku":"","price":3.62,"currency_code":"GBP","in_stock":true},{"title":"6 x Sphere \/ Green","offer_id":49761948336392,"sku":"","price":3.62,"currency_code":"GBP","in_stock":true},{"title":"1 x Pipes \/ White","offer_id":49761948369160,"sku":"","price":4.19,"currency_code":"GBP","in_stock":true},{"title":"1 x Pipes \/ Black","offer_id":49761948401928,"sku":"","price":4.19,"currency_code":"GBP","in_stock":true},{"title":"1 x Pipes \/ Beige","offer_id":49761948434696,"sku":"","price":4.19,"currency_code":"GBP","in_stock":true},{"title":"1 x Pipes \/ Marble Effect","offer_id":49761948467464,"sku":"","price":4.19,"currency_code":"GBP","in_stock":true},{"title":"1 x Pipes \/ Green","offer_id":49761948500232,"sku":"","price":4.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/shrimp-hides-in-3-styles-219366.jpg?v=1771496738"},{"product_id":"nano-shrimp-tunnel-compact-buried-cave","title":"Blubber Cove Nano Shrimp Tunnel – Compact Buried Cave for Nano Tanks","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Nano Shrimp Tunnel\u003c\/strong\u003e is a compact slim-profile buried tunnel sized specifically for nano aquariums. At 133mm long and just 40mm tall, it fits in tanks where larger caves dominate the space — 10L Fluval Spec, 20L cubes, shrimp bowls and small breeder tanks. Buries fully under shallow substrate against the back or side glass, giving your shrimp colony a hidden territory without sacrificing the limited tank real estate nano scapes are built around. UK 3D-printed in aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy nano tanks need a different cave\u003c\/h2\u003e\n\u003cp\u003eNano aquariums (anything under 30 litres) have a problem with most aquarium decor — it's all designed for medium tanks. A standard 200mm+ cave eats half the substrate in a 20L nano, leaving no space for plants, scape, or swimming room. Shrimp keepers and nano hobbyists end up either skipping caves entirely or making expensive mistakes ordering oversized decor. This tunnel solves that. Sized for the realities of nano keeping, priced at the entry point — get shelter into your nano tank without compromising the scape.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact 133mm length — fits nano tanks from 10 litres up\u003c\/li\u003e\n  \u003cli\u003eSlim 40mm profile — buries fully in shallow nano substrate\u003c\/li\u003e\n  \u003cli\u003eAgainst-glass design — runs along the back or side wall, out of the visible scape\u003c\/li\u003e\n  \u003cli\u003eEntry-level price — the affordable way to add proper shelter to a nano tank\u003c\/li\u003e\n  \u003cli\u003eSmooth interior — safe for delicate shrimp moults and fry\u003c\/li\u003e\n  \u003cli\u003e3D-printed in Northumberland, UK from aquarium-safe PETG\u003c\/li\u003e\n  \u003cli\u003eIdeal for shrimp colonies, betta nano tanks, and breeding grow-out setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard size:\u003c\/strong\u003e 133 × 42 × 40 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge size:\u003c\/strong\u003e 168 × 52 × 48 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Against back or side glass, buried under substrate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank size:\u003c\/strong\u003e Standard suits 10-30 litres · Large suits 30-50 litres\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSubstrate depth needed:\u003c\/strong\u003e 4-5cm minimum to fully bury\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Beige, Marble Effect, Green\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Northumberland, United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIdeal for these nano setups\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eShrimp colony tanks — Neocaridina cherry shrimp, Caridina crystals, blue dreams\u003c\/li\u003e\n  \u003cli\u003eBetta nano tanks 15-25L with shrimp tankmates\u003c\/li\u003e\n  \u003cli\u003eShrimplet grow-out tanks (separating fry from adults)\u003c\/li\u003e\n  \u003cli\u003eFluval Spec, Edge and other nano kit tanks\u003c\/li\u003e\n  \u003cli\u003ePlanted nano aquascapes (iwagumi nano, Walstad-style bowls)\u003c\/li\u003e\n  \u003cli\u003eBreeding setups for nano fish — chili rasbora, ember tetra, CPD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eNeocaridina shrimp — cherry, blue dream, yellow, green jade, snowball\u003c\/li\u003e\n  \u003cli\u003eCaridina shrimp — crystal red, crystal black, bee shrimp\u003c\/li\u003e\n  \u003cli\u003eSulawesi shrimp colonies\u003c\/li\u003e\n  \u003cli\u003eEndler and guppy fry during grow-out\u003c\/li\u003e\n  \u003cli\u003eShrimplets of any peaceful colony species\u003c\/li\u003e\n  \u003cli\u003eChili rasbora and other micro nano fish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to install in a nano tank\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003ePlace the tunnel against the back or side glass before adding substrate\u003c\/li\u003e\n  \u003cli\u003ePour 4-5cm of sand, fine gravel or aquasoil over the top\u003c\/li\u003e\n  \u003cli\u003eKeep both tunnel openings clear so shrimp can flow through\u003c\/li\u003e\n  \u003cli\u003ePlant moss or small low-light plants directly above to hide the substrate bulge\u003c\/li\u003e\n  \u003cli\u003eWithin hours, shrimp will start exploring — colonies typically claim it within a day\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eHow is this different from your other slim tunnels?\u003c\/h2\u003e\n\u003cp\u003eTwo versions of the same slim-profile design, sized for different tanks:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNano Shrimp Tunnel (this one):\u003c\/strong\u003e compact 133mm length, sized for nano tanks 10-30L\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlim Aquarium Tunnel:\u003c\/strong\u003e longer 210mm and 266mm sizes, for medium and larger aquascape setups 40L+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf your tank is under 30 litres, this is the right size. Above 30 litres, the longer Slim Aquarium Tunnel suits better — the extended interior gives larger shrimp colonies more grazing space.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWill it actually fit in my 10-litre nano?\u003c\/h3\u003e\n\u003cp\u003eYes — at 133mm long it fits comfortably along the back glass of even small 10L tanks (most are 250mm+ long). Place it against the back wall to keep the substrate field clear for plants.\u003c\/p\u003e\n\n\u003ch3\u003eHow many shrimp will use it?\u003c\/h3\u003e\n\u003cp\u003eA colony of 10-30 shrimp will use the tunnel as shared territory, with several inside at any time. For larger colonies (50+ shrimp), you'll want either two of these tunnels placed apart, or the longer Slim Aquarium Tunnel for more interior space.\u003c\/p\u003e\n\n\u003ch3\u003eWill it work without burying it?\u003c\/h3\u003e\n\u003cp\u003eYes, but it looks better buried. The slim profile is designed to disappear under substrate — left visible on top, it reads as a plastic block rather than a natural feature. If you can't bury it (bare-bottom tank), our Coral Shelter Set of 3 is a better choice for visible nano decor.\u003c\/p\u003e\n\n\u003ch3\u003eIs it safe for shrimp moulting?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe (no copper, no leaching) and the smooth interior won't catch moults. Shrimp often moult inside enclosed tunnels because they feel safest there.\u003c\/p\u003e\n\n\u003ch3\u003eWill fry grow up in it?\u003c\/h3\u003e\n\u003cp\u003eYes — shrimplets often hide inside the tunnel after hatching, where adults are less likely to disturb them. Many nano breeders specifically use compact buried tunnels for this reason.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use it for bettas?\u003c\/h3\u003e\n\u003cp\u003eYes — bettas in nano tanks (15L+) use it as a cave retreat. Useful especially if you keep a betta with shrimp; the shrimp use the tunnel as escape territory.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I clean it?\u003c\/h3\u003e\n\u003cp\u003eLeave it buried permanently — debris washes through during water changes. For deep cleaning, lift gently from substrate, rinse in tank water, reposition. Never use soap or detergent.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our Northumberland workshop in aquarium-safe PETG. The Nano Shrimp Tunnel is our entry-point cave — proper aquarium hide for nano keepers without the price tag of larger decor. Free UK delivery over £30.\u003c\/p\u003e\n","brand":"Blubber Cove","offers":[{"title":"Standard \/ Black","offer_id":49761953874184,"sku":"","price":10.1,"currency_code":"GBP","in_stock":true},{"title":"Standard \/ White","offer_id":49761953906952,"sku":"","price":10.1,"currency_code":"GBP","in_stock":true},{"title":"Standard \/ Beige","offer_id":49761953939720,"sku":"","price":10.1,"currency_code":"GBP","in_stock":true},{"title":"Standard \/ Marble Effect","offer_id":49761953972488,"sku":"","price":10.1,"currency_code":"GBP","in_stock":true},{"title":"Standard \/ Green","offer_id":49761954005256,"sku":"","price":10.1,"currency_code":"GBP","in_stock":true},{"title":"Large \/ Black","offer_id":49761954038024,"sku":"","price":12.95,"currency_code":"GBP","in_stock":true},{"title":"Large \/ White","offer_id":49761954070792,"sku":"","price":12.95,"currency_code":"GBP","in_stock":true},{"title":"Large \/ Beige","offer_id":49761954103560,"sku":"","price":12.95,"currency_code":"GBP","in_stock":true},{"title":"Large \/ Marble Effect","offer_id":49761954136328,"sku":"","price":12.95,"currency_code":"GBP","in_stock":true},{"title":"Large \/ Green","offer_id":49761954169096,"sku":"","price":12.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/shrimp-underground-tunnel-a-safe-place-in-the-substrate-642217.jpg?v=1771496744"},{"product_id":"slim-aquarium-tunnel-against-glass-buried","title":"Blubber Cove Slim Aquarium Tunnel – Against-Glass Buried Hide for Aquascapes","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Slim Aquarium Tunnel\u003c\/strong\u003e is an ultra-thin buried tunnel designed to run along the back or side glass of your tank. At just 40mm tall on the Standard size, it disappears under shallow substrate where bulkier caves can't go — making it the right choice for aquascapes with only 2-3cm of substrate depth, or for keepers who want shelter without sacrificing visual tank space. Place it flush against the glass and bury under sand, gravel or aquasoil. UK 3D-printed in aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy slim and against-the-glass?\u003c\/h2\u003e\n\u003cp\u003eMost buried aquarium tunnels are too tall for aquascape-style setups. If you run a shallow substrate (common in planted tanks, iwagumi scapes and nano competitions), a 60mm+ tunnel either pokes above the substrate or forces you to over-mound sand around it — both of which break the natural look. This tunnel solves that. At 40mm tall, it buries completely in standard 4-5cm aquascape substrate, and the slim 42mm width tucks tight against the back or side glass so it stays out of the visible tank space entirely. Fish and shrimp get the shelter; your scape stays clean.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eUltra-slim 40mm profile — buries fully in shallow aquascape substrate\u003c\/li\u003e\n  \u003cli\u003eDesigned for against-glass placement — runs along back or side wall\u003c\/li\u003e\n  \u003cli\u003eLong tunnel shape — extended interior shelter for shrimp colonies and shoaling fish\u003c\/li\u003e\n  \u003cli\u003eSubstrate-friendly top — bury fully or partially under sand, gravel or aquasoil\u003c\/li\u003e\n  \u003cli\u003eSmooth interior — safe for delicate fins, shrimp moults and tiny fry\u003c\/li\u003e\n  \u003cli\u003e3D-printed in Northumberland, UK from aquarium-safe PETG\u003c\/li\u003e\n  \u003cli\u003eIdeal for planted tanks, nano aquascapes and shallow-substrate setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard size:\u003c\/strong\u003e 210 × 42 × 40 mm (tunnel openings 35 × 42 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge size:\u003c\/strong\u003e 266 × 52 × 48 mm (tunnel openings 43 × 53 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Against tank glass — back or side wall\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSubstrate depth needed:\u003c\/strong\u003e 4-5cm minimum to fully bury Standard, 5-6cm for Large\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Beige, Marble, Green\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Northumberland, United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIdeal for these setups\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePlanted aquascapes with shallow substrate (iwagumi, Dutch, nature-style)\u003c\/li\u003e\n  \u003cli\u003eNano shrimp tanks where decor needs to be invisible\u003c\/li\u003e\n  \u003cli\u003eAquascape competition tanks (no visible plastic decor)\u003c\/li\u003e\n  \u003cli\u003eCommunity freshwater tanks with corydoras and shy nano species\u003c\/li\u003e\n  \u003cli\u003eFry grow-out tanks where flat tunnel cover protects babies from current\u003c\/li\u003e\n  \u003cli\u003eBreeding setups for shrimp colonies wanting low-profile hides\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp (colony grazing along extended interior)\u003c\/li\u003e\n  \u003cli\u003eCorydoras (panda, pygmaeus, bronze)\u003c\/li\u003e\n  \u003cli\u003eKuhli loaches and weather loaches\u003c\/li\u003e\n  \u003cli\u003eShrimp fry and small fish fry of any peaceful species\u003c\/li\u003e\n  \u003cli\u003eNano fish — chili rasbora, ember tetra, celestial pearl danio\u003c\/li\u003e\n  \u003cli\u003eEndler and guppy fry during grow-out\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to install\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003ePosition the tunnel flush against the back or side glass before adding substrate\u003c\/li\u003e\n  \u003cli\u003ePour sand, gravel or aquasoil directly over the top\u003c\/li\u003e\n  \u003cli\u003eKeep both tunnel openings clear so fish can enter and exit\u003c\/li\u003e\n  \u003cli\u003ePlant low-light species (cryptocoryne, anubias, moss) directly above for extra disguise\u003c\/li\u003e\n  \u003cli\u003eWithin a day or two, shrimp and bottom-dwellers will claim it as territory\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eHow is this different from your other buried tunnels?\u003c\/h2\u003e\n\u003cp\u003eThree buried tunnel options, three different placement intents:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlim Against-Glass Tunnel (this one):\u003c\/strong\u003e ultra-thin 40mm profile, runs along the back or side glass, disappears in shallow aquascape substrate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Buried Tunnel:\u003c\/strong\u003e taller 62mm profile, free-placed anywhere along the tank bottom, available with left\/right directional mirror variants\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnderground Corner Cave:\u003c\/strong\u003e square 135mm corner-fit, buries in the back 90° corner as a single-chamber hide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePick this one if your scape has shallow substrate or you want the tunnel completely hidden against the glass.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWill it actually disappear in my substrate?\u003c\/h3\u003e\n\u003cp\u003eIf you have at least 4-5cm of substrate depth, yes. The Standard's 40mm height buries completely under standard aquascape substrate depth, leaving only the openings visible. The Large needs 5-6cm to fully disappear.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it have to go against the glass?\u003c\/h3\u003e\n\u003cp\u003eIt's designed for it — the flat back edge sits flush against vertical glass. You can free-place it in open substrate, but the slim profile means it's less stable than our wider Long Buried Tunnel when not glass-supported. For free-placement, the Long Buried Tunnel is the better choice.\u003c\/p\u003e\n\n\u003ch3\u003eWill shrimp use it?\u003c\/h3\u003e\n\u003cp\u003eYes — and especially well. The long enclosed shape is one of the best shrimp colony designs because the extended interior gives multiple grazing zones for whole colonies. PETG is shrimp-safe with no copper or leaching.\u003c\/p\u003e\n\n\u003ch3\u003eWill the substrate weight crush it?\u003c\/h3\u003e\n\u003cp\u003eNo. PETG is rigid and the tunnel is engineered to take substrate load even on the slim profile. You can cover with several centimetres of sand, gravel or aquasoil without warping.\u003c\/p\u003e\n\n\u003ch3\u003eCan I plant on top?\u003c\/h3\u003e\n\u003cp\u003eYes — low-light plants like cryptocoryne, anubias and moss carpets work beautifully above the buried tunnel. Roots grow around the structure and the planting hides any subtle bulge in the substrate line.\u003c\/p\u003e\n\n\u003ch3\u003eHow do fry use it?\u003c\/h3\u003e\n\u003cp\u003eThe tunnel becomes a fry-only zone — adults can swim through but the long enclosed shape makes it a calm shelter where shrimplets and small fry can grow without being chased. Many breeders report visible fry survival increases.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I clean it?\u003c\/h3\u003e\n\u003cp\u003eMost owners leave it buried permanently — debris washes through naturally with water changes. For deep cleaning, gently lift from substrate, rinse in tank water, and reposition. Never use soap or detergent.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our Northumberland workshop in aquarium-safe PETG. The Slim Against-Glass Tunnel was designed specifically for premium aquascape setups where conventional decor is too bulky. Free UK delivery over £30.\u003c\/p\u003e\n","brand":"Blubber Cove","offers":[{"title":"Black \/ Standard","offer_id":49761961410824,"sku":"","price":9.1,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Large","offer_id":49761961443592,"sku":"","price":11.95,"currency_code":"GBP","in_stock":true},{"title":"White \/ Standard","offer_id":49761961476360,"sku":"","price":9.1,"currency_code":"GBP","in_stock":true},{"title":"White \/ Large","offer_id":49761961509128,"sku":"","price":11.95,"currency_code":"GBP","in_stock":true},{"title":"Beige \/ Standard","offer_id":49761961541896,"sku":"","price":9.1,"currency_code":"GBP","in_stock":true},{"title":"Beige \/ Large","offer_id":49761961574664,"sku":"","price":11.95,"currency_code":"GBP","in_stock":true},{"title":"Marble \/ Standard","offer_id":49761961607432,"sku":"","price":9.1,"currency_code":"GBP","in_stock":true},{"title":"Marble \/ Large","offer_id":49761961640200,"sku":"","price":11.95,"currency_code":"GBP","in_stock":true},{"title":"Green \/ Standard","offer_id":49761961672968,"sku":"","price":9.1,"currency_code":"GBP","in_stock":true},{"title":"Green \/ Large","offer_id":49761961705736,"sku":"","price":11.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/substrate-aquarium-tunnel-for-fish-and-shrimp-433498.jpg?v=1771496760"},{"product_id":"underground-aquarium-cave-bury-under-sand","title":"Blubber Cove Underground Aquarium Cave – Bury Under Sand or Gravel","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Underground Aquarium Cave\u003c\/strong\u003e is designed to disappear. Pour your sand or gravel directly over the top and the cave becomes a hidden underground tunnel — only the corner openings are visible. Your fish gain a fully shaded retreat that looks like a natural cavity in the substrate, while your aquascape view stays completely clear. UK 3D-printed in aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eThe substrate-on-top design\u003c\/h2\u003e\n\u003cp\u003eMost aquarium caves sit visibly in the tank — they're either decorative features or compromise the scape. This one is the opposite. The flat top and lip openings are engineered to be buried under your existing substrate, so the cave structure is invisible from above. Shrimp, bettas and corydoras get a proper enclosed tunnel system; you get to keep your minimalist or planted aquascape free of obvious plastic decor.\u003c\/p\u003e\n\n\u003ch2\u003eHow to set it up\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003ePlace the cave in the back corner of your tank before adding substrate\u003c\/li\u003e\n  \u003cli\u003ePour sand or gravel over the top — the flat lid takes substrate weight without sagging\u003c\/li\u003e\n  \u003cli\u003eLeave the side openings clear so fish can enter and exit\u003c\/li\u003e\n  \u003cli\u003eOptional: plant directly on top of the cave for hidden roots and a natural look\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSubstrate-on-top design — bury under sand or gravel for a hidden underground tunnel\u003c\/li\u003e\n  \u003cli\u003eCorner-fit shape — uses the dead 90° back corner of the tank\u003c\/li\u003e\n  \u003cli\u003eFlat reinforced lid — supports substrate weight without warping\u003c\/li\u003e\n  \u003cli\u003eTwo side openings — fish enter one side, exit the other\u003c\/li\u003e\n  \u003cli\u003eSmooth interior — safe for delicate fins and shrimp moults\u003c\/li\u003e\n  \u003cli\u003e3D-printed in the UK from aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003eMaintains tank view — invisible from above once buried\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard size:\u003c\/strong\u003e 135 × 135 × 60 mm (tunnel openings 53 × 95 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge size:\u003c\/strong\u003e 180 × 180 × 81 mm (tunnel openings 90 × 132 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e 90-degree back corner, buried under substrate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSubstrate compatibility:\u003c\/strong\u003e sand, fine gravel, aquasoil, planted-tank substrate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Marble Effect, Moss Green, Sand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable for aquariums\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp\u003c\/li\u003e\n  \u003cli\u003eBetta splendens (Siamese fighting fish)\u003c\/li\u003e\n  \u003cli\u003eCorydoras (panda, bronze, pygmaeus)\u003c\/li\u003e\n  \u003cli\u003eKuhli loaches and weather loaches\u003c\/li\u003e\n  \u003cli\u003eBristlenose plecos and small catfish\u003c\/li\u003e\n  \u003cli\u003eApistogramma and dwarf cichlids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlso suitable for reptile and amphibian setups\u003c\/h2\u003e\n\u003cp\u003eWhile this cave is designed for aquariums, the same substrate-burial principle works for terrariums and vivariums. Compatible with axolotl tanks, crested gecko enclosures, snake hides and leopard gecko setups — bury under coco fibre, reptile sand or paludarium substrate for a natural underground hideout. PETG is non-toxic and won't leach in humid environments.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWill the cave collapse under the weight of my substrate?\u003c\/h3\u003e\n\u003cp\u003eNo — the lid is reinforced and engineered specifically to take substrate load. You can pour several inches of sand or gravel on top without any sagging or warping.\u003c\/p\u003e\n\n\u003ch3\u003eCan I plant on top of it?\u003c\/h3\u003e\n\u003cp\u003eYes. Many buyers plant low-light species like cryptocoryne, anubias or carpeting plants directly above the cave. The roots grow around the cave shell and the planting hides the structure further.\u003c\/p\u003e\n\n\u003ch3\u003eWill my fish find the openings if the cave is buried?\u003c\/h3\u003e\n\u003cp\u003eYes — keep the two side openings clear of substrate when you bury it. Fish find them within hours, and curious species like corydoras and kuhli loaches almost always claim the tunnel within a day.\u003c\/p\u003e\n\n\u003ch3\u003eIs it safe for shrimp?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe (no copper, no leaching) and the interior is smooth so shrimp can moult and forage without injury.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use it without burying it?\u003c\/h3\u003e\n\u003cp\u003eYes — it works as a visible corner cave too. But the substrate-on-top design is what makes this one different. If you want a fully visible corner cave, our Tall Mangrove Corner Cave or Wide Corner Cave are designed for above-substrate placement.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it work for axolotls or geckos?\u003c\/h3\u003e\n\u003cp\u003eYes, as a secondary use. Axolotls use it as an underwater hide buried under fine sand. Crested geckos, leopard geckos and snakes use it as a humid hide buried under coco fibre or reptile substrate. PETG is non-toxic in both aquatic and terrestrial setups.\u003c\/p\u003e\n\n\u003ch2\u003eHow is this different from your other corner caves?\u003c\/h2\u003e\n\u003cp\u003eWe make several corner caves — pick by use case:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnderground corner cave (this one):\u003c\/strong\u003e designed to be buried under substrate, invisible from above\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTall mangrove corner cave:\u003c\/strong\u003e visible above-substrate cave with mangrove-style pillars for vertical scape interest\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide corner cave:\u003c\/strong\u003e visible above-substrate cave with extra-large entrance for big-bodied fish like adult plecos and cichlids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our UK workshop in aquarium-safe PETG. No painted resin, no imports, no surprises. Free UK delivery over £30.\u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black \/ Standard","offer_id":49803194204424,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Large","offer_id":49803194237192,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"White \/ Standard","offer_id":49803194269960,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"White \/ Large","offer_id":49803194302728,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Standard","offer_id":49803194335496,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Large","offer_id":49803194368264,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Standard","offer_id":49803194401032,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Large","offer_id":49803194433800,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Standard","offer_id":49803194466568,"sku":"","price":24.15,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Large","offer_id":49803194499336,"sku":"","price":37.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/reptile-or-aquarium-natural-cave-corner-suitable-for-fish-tanks-salt-or-fresh-water-787679.jpg?v=1771496785"},{"product_id":"mushroom-ledge-mid-water-betta-perch","title":"Blubber Cove Mushroom Ledge – Mid-Water Betta Perch with Suction Cups","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Mushroom Ledge\u003c\/strong\u003e is a suction-cup-mounted resting platform that fixes to the glass at mid-tank depth — not the surface, not the substrate. Where most betta accessories either float on top or sit on the bottom, this gives your betta, shrimp or amphibian a proper resting spot in the middle of the water column, where they naturally hover and rest in the wild. The sculpted mushroom shape blends into planted and natural aquascapes while doubling as a functional perch. UK 3D-printed in aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy mid-water matters\u003c\/h2\u003e\n\u003cp\u003eBettas don't naturally rest only at the surface — in the wild, they perch on broad leaves at varying depths to breathe air, ambush prey and recover from swimming. Most \"betta hammock\" products are either surface-floating or substrate-fixed, forcing the fish to use the wrong depth. The Mushroom Ledge solves this: position it anywhere from a few centimetres below the surface to halfway down your tank, and your fish gets a resting spot at the depth it actually wants.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMid-water positioning — mounts to glass at any depth via suction cups\u003c\/li\u003e\n  \u003cli\u003eSuction-cup attachment — easy install, easy reposition, no permanent fixings\u003c\/li\u003e\n  \u003cli\u003eBroad flat ledge — designed for bettas to rest fully on the surface\u003c\/li\u003e\n  \u003cli\u003eSculpted mushroom shape — natural-looking centrepiece for planted tanks\u003c\/li\u003e\n  \u003cli\u003eSmooth top surface — safe for delicate betta fins\u003c\/li\u003e\n  \u003cli\u003e3D-printed in Northumberland, UK from aquarium-safe PETG\u003c\/li\u003e\n  \u003cli\u003eWorks in freshwater aquariums, vivariums and paludariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 100mm × 50mm × 40mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Suction cups (included) — attaches to flat glass surfaces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Mid-water column — adjustable to any depth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank size:\u003c\/strong\u003e Suitable for tanks 15 litres and up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Orange, Grey, Black, White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Northumberland, United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIdeal for these species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBetta splendens (Siamese fighting fish) — primary use case\u003c\/li\u003e\n  \u003cli\u003eShrimp colonies — Neocaridina and Caridina graze the broad ledge surface\u003c\/li\u003e\n  \u003cli\u003eTree frogs, dart frogs and arboreal amphibians — vivarium ledge perch\u003c\/li\u003e\n  \u003cli\u003eGeckos and small reptiles — humid hide platform in vivariums\u003c\/li\u003e\n  \u003cli\u003eNewts and salamanders — resting platform in paludarium setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to install\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eClean the glass area where you want to mount the ledge — algae or biofilm reduces suction grip\u003c\/li\u003e\n  \u003cli\u003ePress the suction cups onto the glass and hold for 10 seconds\u003c\/li\u003e\n  \u003cli\u003ePosition at your preferred depth — start a few centimetres below the surface for bettas, lower for shrimp or amphibian use\u003c\/li\u003e\n  \u003cli\u003eTest by gently tugging the ledge — it should hold firm\u003c\/li\u003e\n  \u003cli\u003eReposition any time by gently lifting and re-mounting\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eHow is this different from your other betta accessories?\u003c\/h2\u003e\n\u003cp\u003eThree different products, three different positions:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBettaPod (Floating Hide):\u003c\/strong\u003e floats on the water surface — for surface breathing and surface resting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMushroom Ledge (this one):\u003c\/strong\u003e mounts mid-water on the glass — for resting at the depth your fish actually chooses\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAquarium caves:\u003c\/strong\u003e sit on the substrate — for bottom-dwelling shelter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMany betta keepers use the BettaPod and the Mushroom Ledge together — surface and mid-water coverage gives the fish maximum resting options.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWill the suction cups actually hold?\u003c\/h3\u003e\n\u003cp\u003eYes — on clean glass, the cups hold firm. The main reason suction cups fail is algae or biofilm on the glass surface; clean the mounting area before installing. If grip weakens after months in a tank, briefly remove and warm the cups in tap water to restore flexibility.\u003c\/p\u003e\n\n\u003ch3\u003eWill my betta actually use it?\u003c\/h3\u003e\n\u003cp\u003eMost do within 24-48 hours. Bettas are naturally curious and will explore the ledge as new tank furniture. If your fish doesn't use it immediately, try repositioning closer to the surface (within 3-5cm) — bettas favour shallower rest spots when they want to breathe air.\u003c\/p\u003e\n\n\u003ch3\u003eIs it safe for shrimp?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe (no copper, no leaching). Shrimp use the broad ledge surface as a grazing platform — biofilm and algae naturally form on the top, which shrimp graze continuously.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use it in a paludarium or vivarium?\u003c\/h3\u003e\n\u003cp\u003eYes — the mushroom ledge is one of the best vivarium platforms for tree frogs, dart frogs and arboreal geckos because the broad surface gives them a stable mid-height resting spot. Suction cups attach to the vivarium glass like an aquarium.\u003c\/p\u003e\n\n\u003ch3\u003eWhat depth should I position it at?\u003c\/h3\u003e\n\u003cp\u003eFor bettas: 3-8cm below the surface so they can rest before darting up to breathe. For shrimp: anywhere in the mid-water column. For amphibians: closer to the water line so they can climb on and off easily.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it work in saltwater tanks?\u003c\/h3\u003e\n\u003cp\u003eDesigned for freshwater. PETG is inert but we don't currently certify saltwater longevity — for reef and marine setups, source dedicated marine-safe decor.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I clean it?\u003c\/h3\u003e\n\u003cp\u003eLift off the glass during your weekly water change, wipe gently with an aquarium-safe sponge, and reattach. Never use soap or detergent. Algae build-up on the ledge surface is actually beneficial — shrimp and bettas both graze it.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our Northumberland workshop in aquarium-safe PETG. The Mushroom Ledge is one of our signature betta accessories — designed to fill the gap between floating hides and substrate caves. Free UK delivery over £30.\u003c\/p\u003e\n","brand":"Blubber Cove","offers":[{"title":"Black","offer_id":51080879669512,"sku":null,"price":12.1,"currency_code":"GBP","in_stock":true},{"title":"White","offer_id":51080879702280,"sku":null,"price":12.1,"currency_code":"GBP","in_stock":true},{"title":"Sand","offer_id":51080879735048,"sku":null,"price":12.1,"currency_code":"GBP","in_stock":true},{"title":"Orange","offer_id":51080879931656,"sku":null,"price":12.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/floating-mushroom-ledge-for-bettas-shrimp-and-reptiles-attaches-with-suction-cups-perfect-for-aquascaping-or-amphibian-rest-spots-9581193.jpg?v=1772634274"},{"product_id":"coral-shelter-set-of-3-shrimp-hide-bundle","title":"Blubber Cove Coral Shelter Set of 3 – Shrimp \u0026 Nano Fish Hide Bundle","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Coral Shelter Set of 3\u003c\/strong\u003e is a trio of small sculptural hides designed to be scattered across your tank. Where a single centrepiece works for show aquariums, shrimp colonies and community tanks need multiple shelter spots — so every fish and shrimp has somewhere to retreat. The three pieces are each different shapes from the same coral-inspired design language, giving your aquascape natural variety without looking matched. UK 3D-printed in aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy three hides instead of one?\u003c\/h2\u003e\n\u003cp\u003eShrimp colonies don't all gather in one place. Neither do shy community fish. A single large cave creates one territory — usually claimed by the boldest fish or shrimp, leaving the others exposed. Three smaller hides spread across the tank create multiple safe zones, reducing stress, supporting natural colony behaviour, and giving timid species somewhere to retreat to no matter where they are.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose Blubber Cove\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 unique hideouts\u003c\/strong\u003e — varied shapes for natural exploration and territorial variety\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafe for fish \u0026amp; shrimp\u003c\/strong\u003e — aquarium-grade PETG, no leaching, no painted surfaces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoral-inspired design\u003c\/strong\u003e — blends beautifully with planted or rocky tanks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenerous size\u003c\/strong\u003e — each hide approximately 80mm tall × 75mm wide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSits on top of substrate\u003c\/strong\u003e — no burying needed, scatter and arrange\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesigned in the UK\u003c\/strong\u003e — small-batch production in Northumberland\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSet of 3 coral-style hides — each a different shape\u003c\/li\u003e\n  \u003cli\u003eMulti-hole sculptural design — multiple chambers per piece\u003c\/li\u003e\n  \u003cli\u003eSits on top of substrate — no burial required\u003c\/li\u003e\n  \u003cli\u003eOpen structure — water flows through, no detritus traps\u003c\/li\u003e\n  \u003cli\u003eSmooth interior chambers — safe for delicate fins and shrimp moults\u003c\/li\u003e\n  \u003cli\u003e3D-printed in Northumberland, UK from aquarium-safe PETG\u003c\/li\u003e\n  \u003cli\u003ePerfect for nano tanks, shrimp colonies and community setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSet contents:\u003c\/strong\u003e 3 individual hides, each a different sculptural shape\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize per hide:\u003c\/strong\u003e Approximately 80mm tall × 75mm wide (max dimensions)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e On top of substrate — scatter across tank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank size:\u003c\/strong\u003e Suitable for nano tanks 20L+ up to community setups\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, Beige (two-tone set)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Northumberland, United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIdeal for these setups\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eShrimp colony tanks — Neocaridina and Caridina (scattered hides for whole colonies)\u003c\/li\u003e\n  \u003cli\u003eNano community tanks — chili rasbora, ember tetra, CPD, guppies\u003c\/li\u003e\n  \u003cli\u003eBreeding setups — fry get separate safe zones from adults\u003c\/li\u003e\n  \u003cli\u003ePlanted aquascapes — coral shapes work as natural-looking accent features\u003c\/li\u003e\n  \u003cli\u003eBetta tanks with tankmates — multiple retreats reduce conflict\u003c\/li\u003e\n  \u003cli\u003eCommunity freshwater tanks — corydoras, kuhli loaches, otocinclus\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp\u003c\/li\u003e\n  \u003cli\u003eBettas (especially with tankmates)\u003c\/li\u003e\n  \u003cli\u003eCorydoras and small catfish\u003c\/li\u003e\n  \u003cli\u003eKuhli loaches and weather loaches\u003c\/li\u003e\n  \u003cli\u003eNano fish — chili rasbora, ember tetra, celestial pearl danio, endler guppies\u003c\/li\u003e\n  \u003cli\u003eFry of any peaceful species\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow is this different from your single Coral Shelter?\u003c\/h2\u003e\n\u003cp\u003eThe single Coral-Style Shelter is one larger sculptural piece (13cm) designed as a tank centrepiece. This is a set of 3 smaller hides (80mm each) designed to be scattered across the tank for shrimp colonies and community fish that need multiple shelter spots. If you want a focal point, pick the single centrepiece. If you want distributed shelter for a colony or community, pick the set of 3.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eAre the three hides identical?\u003c\/h3\u003e\n\u003cp\u003eNo — each is a different sculptural shape from the same coral-inspired design language. This means your scape doesn't look matched or symmetrical, which reads as more natural and gives fish visual variety to explore.\u003c\/p\u003e\n\n\u003ch3\u003eWill all three fit in a nano tank?\u003c\/h3\u003e\n\u003cp\u003eYes — in a 20-30L nano tank, you can place all three with space between them. In larger tanks, spread them further apart to create distinct territories. For very small tanks (under 20L), you might prefer to use one or two and store the third as a swap-out.\u003c\/p\u003e\n\n\u003ch3\u003eIs it really safe for shrimp colonies?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe (no copper, no leaching) and the smooth interiors won't catch moults. The multi-piece set is particularly good for shrimp because colonies naturally spread out — multiple hides means multiple breeding and grazing zones.\u003c\/p\u003e\n\n\u003ch3\u003eCan I bury the hides?\u003c\/h3\u003e\n\u003cp\u003eThey're designed to sit on top of substrate, but you can partially bury the bases for a more rooted look. Fully burying them defeats the point — the sculptural shape is meant to be visible.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I arrange three pieces in a tank?\u003c\/h3\u003e\n\u003cp\u003eAvoid placing all three in a line. Try a triangle arrangement with one as a focal point and two flanking, or scatter them with driftwood and plants between. Asymmetric placement always looks more natural than symmetric.\u003c\/p\u003e\n\n\u003ch3\u003eWill my fish use all three?\u003c\/h3\u003e\n\u003cp\u003eAlmost always — within a few days, individual fish or shrimp claim preferred hides. In shrimp colonies, you'll often see grazing distributed across all three pieces simultaneously.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I clean them?\u003c\/h3\u003e\n\u003cp\u003eLift each piece during your weekly water change and rinse in tank water. The open structure means most debris washes through naturally. Never use soap or detergent.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our Northumberland workshop in aquarium-safe PETG. Small-batch production, every set checked before shipping. Free UK delivery over £30.\u003c\/p\u003e\n","brand":"Blubber Cove","offers":[{"title":"Black","offer_id":51418013761800,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true},{"title":"White","offer_id":51418013794568,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true},{"title":"Beige","offer_id":51418013827336,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true},{"title":"Marble","offer_id":51418013860104,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true},{"title":"Green","offer_id":51418013892872,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":51418013925640,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true},{"title":"Brown","offer_id":51418013958408,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true},{"title":"Grey","offer_id":51418013991176,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true},{"title":"Orange","offer_id":51418014023944,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true},{"title":"Pink","offer_id":51418014056712,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true},{"title":"Purple","offer_id":51418014089480,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true},{"title":"Red","offer_id":51418014122248,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true},{"title":"Yellow","offer_id":51418014155016,"sku":null,"price":18.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/aquarium-caves-set-of-3-natural-aquascape-decor-for-shrimp-betta-nano-fish-9314139.jpg?v=1772634265"},{"product_id":"large-aquarium-cave-for-shrimp-betta-bottom-dwellers","title":"Blubber Cove Large Aquarium Cave – Realistic Pillared Hide for Shrimp \u0026 Bottom Dwellers","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Large Aquarium Cave\u003c\/strong\u003e is our bestselling cave — a wide underground-style hide with sculpted internal pillars that make it look like a real subterranean cave, not a moulded ornament. The pillared interior creates multiple shaded chambers for shrimp to forage, bettas to rest, and corydoras to claim as territory. UK 3D-printed in our workshop from aquarium-safe PETG. No glue, no paint, no sharp edges.\u003c\/p\u003e\n\n\u003ch2\u003eThe pillared interior — why it matters\u003c\/h2\u003e\n\u003cp\u003eMost aquarium caves are hollow shells with a single chamber. Fish either fit inside or they don't, and there's only one good resting spot. This cave is different — the internal pillars carve the space into multiple zones, mimicking the way real underwater caves are structured. The result is a cave that genuinely shelters multiple fish at once, gives shrimp distinct grazing surfaces, and looks convincingly natural in any aquascape. Buyers on Amazon and Etsy keep coming back for this one for a reason.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSculpted internal pillars — multiple chambers for layered shelter\u003c\/li\u003e\n  \u003cli\u003eWide low-profile silhouette — won't dominate the tank view\u003c\/li\u003e\n  \u003cli\u003eRealistic underground-cave aesthetic — fits planted, blackwater and hardscape tanks\u003c\/li\u003e\n  \u003cli\u003eMultiple entry\/exit points — fish don't get cornered, shrimp can escape larger tankmates\u003c\/li\u003e\n  \u003cli\u003eSmooth interior — safe for delicate fins and shrimp moults\u003c\/li\u003e\n  \u003cli\u003e3D-printed in the UK from aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003eBestseller across Amazon UK and Etsy — proven design\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard size:\u003c\/strong\u003e 200 × 125 × 60 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge size:\u003c\/strong\u003e 252 × 160 × 72 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterior structure:\u003c\/strong\u003e Multi-pillar with separated chambers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Wide and low (central or back-of-tank placement)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Marble Effect, Moss Green, Sand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e United Kingdom — small-batch production\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp (colonies — the pillars give every shrimp a grazing zone)\u003c\/li\u003e\n  \u003cli\u003eBetta splendens (Siamese fighting fish)\u003c\/li\u003e\n  \u003cli\u003eCorydoras (panda, bronze, pygmaeus, sterbai)\u003c\/li\u003e\n  \u003cli\u003eKuhli loaches, weather loaches, hillstream loach\u003c\/li\u003e\n  \u003cli\u003eBristlenose plecos and small catfish\u003c\/li\u003e\n  \u003cli\u003eApistogramma and dwarf cichlids (cave-spawners use the chambers for breeding)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChoosing the right size\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard (200 × 125 × 60 mm):\u003c\/strong\u003e nano and small tanks 30–80 litres, shrimp colonies, single bettas, small communities\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge (252 × 160 × 72 mm):\u003c\/strong\u003e mid-size tanks 80–250 litres, plecos, mixed communities, larger shrimp colonies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAquascape placement\u003c\/h2\u003e\n\u003cp\u003eDesigned for central or mid-back tank placement where the pillared profile reads as a natural rock formation. Works best with dark substrate, low-light plants like java fern and anubias, and natural hardscape (driftwood, slate). Avoid bright LED spots directly on it — the cave looks most realistic in dappled lighting.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat makes this cave different from your other caves?\u003c\/h3\u003e\n\u003cp\u003eThe internal pillars. Every other cave in our range is a hollow shell with one main chamber. This one has sculpted pillars inside that divide the space into multiple shelter zones — fish can claim separate territories, shrimp get grazing surfaces, and it looks like an actual underwater cave rather than a moulded plastic dome.\u003c\/p\u003e\n\n\u003ch3\u003eIs it really shrimp safe?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe — no copper, no leaching, no painted surfaces. The pillared interior is particularly good for shrimp colonies because every shrimp can find its own grazing surface without competition.\u003c\/p\u003e\n\n\u003ch3\u003eWill my betta use it?\u003c\/h3\u003e\n\u003cp\u003eBettas typically claim one of the inner chambers as a resting spot within 24-48 hours. The multiple entry points stop them from getting cornered by tankmates.\u003c\/p\u003e\n\n\u003ch3\u003eHow many fish can shelter inside?\u003c\/h3\u003e\n\u003cp\u003eThe Standard size comfortably shelters a shrimp colony plus 2-3 small bottom-dwellers. The Large size can host a full community — shrimp colony plus 4-6 corydoras plus a betta or single dwarf cichlid, with everyone having their own zone.\u003c\/p\u003e\n\n\u003ch3\u003eCan it be buried in substrate?\u003c\/h3\u003e\n\u003cp\u003eYes — bury the base in sand or gravel for a fully underground look. The pillared structure inside remains intact and accessible. Most buyers leave it visible to show off the cave architecture, but buried setups look fantastic too.\u003c\/p\u003e\n\n\u003ch3\u003eWhy is this your bestseller?\u003c\/h3\u003e\n\u003cp\u003eHonestly — the pillared interior. Once buyers see how their shrimp use the separated chambers, or watch their bettas claim a \"favourite\" pillar, they tend to come back and buy a second one for another tank. It's the cave that gets the most repeat purchases and reviews across our Amazon and Etsy stores.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I clean it?\u003c\/h3\u003e\n\u003cp\u003eRinse in tank water during your weekly water change. For algae build-up between the pillars, use a soft aquarium brush or a turkey baster to flush out debris. Never use soap or detergent.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our UK workshop in aquarium-safe PETG. Small-batch production — every cave is checked individually before it ships. No imports, no drop-shipping, no painted resin. Free UK delivery over £30.\u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black \/ Standard","offer_id":51936707313928,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Large","offer_id":51946029875464,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"White \/ Standard","offer_id":51936707379464,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"White \/ Large","offer_id":51946029908232,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Standard","offer_id":51936707445000,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Large","offer_id":51946029941000,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Standard","offer_id":51936707510536,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Large","offer_id":51946029973768,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Standard","offer_id":51936707576072,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Large","offer_id":51946030006536,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/large-aquarium-cave-for-shrimp-betta-bottom-dwellers-7106805.jpg?v=1772634271"},{"product_id":"skull-aquarium-cave-gothic-fish-tank-decor","title":"Blubber Cove Skull Aquarium Cave – Gothic Fish Tank Decor \u0026 Shrimp Hide","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Skull Aquarium Cave\u003c\/strong\u003e is a sculpted skull-shaped hide for aquascapers who want their tank decor to double as a focal point. Designed for gothic, fantasy and Halloween-themed aquariums — but engineered to the same fish-safety standard as the rest of our cave range. Smooth interior, snag-free edges, 3D-printed in the UK from aquarium-safe PETG. Looks spooky, feels safe.\u003c\/p\u003e\n\n\u003ch2\u003eGothic decor that's actually fish-safe\u003c\/h2\u003e\n\u003cp\u003eMost novelty fish tank decor is painted resin imported in bulk. Paint chips, resin leaches, dyes affect water chemistry — fine for a Halloween display, not fine for a betta. This skull cave is sculpted from solid aquarium-safe PETG with no paint, no glue, and no surface treatments. Suitable for permanent tank use, not just seasonal.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSculpted skull design — bold focal point for gothic, fantasy or Halloween aquascapes\u003c\/li\u003e\n  \u003cli\u003eFunctional hide — interior shelters bettas, shrimp, corydoras and bottom-dwellers\u003c\/li\u003e\n  \u003cli\u003eSmooth snag-free interior — safe for delicate fins and shrimp moults\u003c\/li\u003e\n  \u003cli\u003e3D-printed in the UK from aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003eNo paint, no glue, no chemical leaching — safe for permanent use, not just seasonal\u003c\/li\u003e\n  \u003cli\u003eStable base — sits flush on sand, gravel or bare-bottom\u003c\/li\u003e\n  \u003cli\u003ePairs with driftwood, java fern and dark substrate for full gothic-aquascape effect\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 140 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 110 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 115 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePerfect for these aquascape styles\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGothic \/ blackwater tanks with dark substrate and driftwood\u003c\/li\u003e\n  \u003cli\u003eFantasy \/ D\u0026amp;D-themed aquariums\u003c\/li\u003e\n  \u003cli\u003eHalloween seasonal setups (October–November)\u003c\/li\u003e\n  \u003cli\u003eThemed shrimp tanks with Neocaridina or Caridina colonies\u003c\/li\u003e\n  \u003cli\u003ePirate, shipwreck or treasure-hunt aquariums\u003c\/li\u003e\n  \u003cli\u003eGoth-room or display tanks where the decor is the centrepiece\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBetta splendens (Siamese fighting fish)\u003c\/li\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp\u003c\/li\u003e\n  \u003cli\u003eCorydoras (panda, bronze, pygmaeus)\u003c\/li\u003e\n  \u003cli\u003eKuhli loaches and weather loaches\u003c\/li\u003e\n  \u003cli\u003eSmall community fish — tetras, rasboras, guppies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs it actually safe for fish, or is it just a decoration?\u003c\/h3\u003e\n\u003cp\u003eBoth — it's a working fish-safe hide. The interior is smooth and rounded so fins won't snag, and PETG is the same plastic used in food-grade containers. It's inert in freshwater and won't leach paint, dyes or chemicals like painted resin novelty decor often does.\u003c\/p\u003e\n\n\u003ch3\u003eCan I leave it in the tank permanently?\u003c\/h3\u003e\n\u003cp\u003eYes. It's designed for permanent use, not just seasonal display. The PETG won't degrade in water and the print is structurally solid.\u003c\/p\u003e\n\n\u003ch3\u003eWill my betta or shrimp actually use it?\u003c\/h3\u003e\n\u003cp\u003eYes — bettas love enclosed hides for resting, and shrimp colonise the textured surfaces for grazing. The skull's eye sockets and mouth opening give multiple entry points so fish can swim through.\u003c\/p\u003e\n\n\u003ch3\u003eIs it suitable for a Halloween tank?\u003c\/h3\u003e\n\u003cp\u003eYes — it's a popular choice for October\/November themed setups. Unlike cheap seasonal decor, it's safe for permanent use afterwards, so you're not throwing it out in November.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it work in a planted tank?\u003c\/h3\u003e\n\u003cp\u003eYes. Pair with java fern, anubias, cryptocoryne and dark substrate for full gothic-aquascape effect. The white skull contrasts beautifully against dark planted backgrounds.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I clean it?\u003c\/h3\u003e\n\u003cp\u003eRinse in tank water during your weekly water change. For algae build-up, use an aquarium-safe brush. Never use soap, detergent or bleach — PETG is inert but soap residue can harm fish.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our UK workshop in aquarium-safe PETG. No imports, no painted resin, no surprises. Free UK delivery over £30.\u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Default Title","offer_id":51938331984136,"sku":null,"price":26.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/skull-cave-for-aquascaping-safe-hideout-for-betta-shrimp-corys-1984538.jpg?v=1772634283"},{"product_id":"coral-style-aquarium-shelter-multi-hole","title":"Blubber Cove Coral-Style Aquarium Shelter – Multi-Hole Centrepiece Hide","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Coral-Style Aquarium Shelter\u003c\/strong\u003e is a sculpted multi-hole hide that sits proudly on top of your substrate as a tank centrepiece. Inspired by Texas holey rock and natural coral formations, the multi-chamber body creates a network of hides, tunnels and grazing surfaces — shrimp colonise the textured exterior, bottom-dwellers claim individual chambers, and cichlid keepers get an affordable alternative to expensive natural holey rock. UK 3D-printed in aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy a multi-hole shelter?\u003c\/h2\u003e\n\u003cp\u003eMost aquarium caves give one fish one hiding spot. This one gives a whole community their own territory. The multiple holes and internal chambers mean shrimp, corydoras, plecos and shy fish can all use it at the same time without competing — and the open sculptural shape lets water flow through, so detritus doesn't build up inside like it does with closed caves.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose Blubber Cove\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerfect for bottom dwellers\u003c\/strong\u003e — ideal for shrimp, plecos, corydoras, guppies, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 main hideout chambers\u003c\/strong\u003e — 2.5 cm openings encourage natural sheltering behaviour\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium aquarium-safe PETG\u003c\/strong\u003e — long-lasting, no leaching, no painted surfaces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact centrepiece size\u003c\/strong\u003e — approximately 13 × 13 × 13 cm, fits most tank layouts from 40L up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExclusive Blubber Cove design\u003c\/strong\u003e — sculptural look you won't find in mass-produced decor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAffordable alternative to Texas holey rock\u003c\/strong\u003e — same visual effect, fraction of the weight and cost\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMulti-hole \"coral-style\" design — multiple chambers for community use\u003c\/li\u003e\n  \u003cli\u003eSits on top of substrate — no burying needed, instant centrepiece\u003c\/li\u003e\n  \u003cli\u003eOpen structure — water flows through, no detritus traps\u003c\/li\u003e\n  \u003cli\u003eSmooth interior chambers — safe for delicate fins and shrimp moults\u003c\/li\u003e\n  \u003cli\u003e12 colour options — from natural white through to bold pinks, purples and oranges\u003c\/li\u003e\n  \u003cli\u003e3D-printed in Northumberland, UK from aquarium-safe PETG\u003c\/li\u003e\n  \u003cli\u003eIdeal for cichlid setups, shrimp colonies and aquascape centrepieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approximately 13 × 13 × 13 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHole openings:\u003c\/strong\u003e 2.5 cm diameter (3 main entrances plus additional grazing holes)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e On top of substrate — freestanding centrepiece\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank size:\u003c\/strong\u003e 40 litres and up\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Beige, Marble, Green, Blue, Brown, Grey, Orange, Pink, Purple, Red, Yellow\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Northumberland, United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp (the multi-hole body is a colony favourite)\u003c\/li\u003e\n  \u003cli\u003eCorydoras (panda, bronze, pygmaeus, sterbai)\u003c\/li\u003e\n  \u003cli\u003eBristlenose plecos and small catfish\u003c\/li\u003e\n  \u003cli\u003eAfrican cichlids — perfect for Malawi \/ Mbuna setups as a holey rock alternative\u003c\/li\u003e\n  \u003cli\u003eApistogramma, kribensis and dwarf cichlids\u003c\/li\u003e\n  \u003cli\u003eGuppies, mollies and small community fish\u003c\/li\u003e\n  \u003cli\u003eKuhli loaches and weather loaches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePerfect for these setups\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eLake Malawi \/ African cichlid tanks (holey rock replacement)\u003c\/li\u003e\n  \u003cli\u003eShrimp colony tanks (multi-chamber grazing)\u003c\/li\u003e\n  \u003cli\u003ePlanted nano aquascapes (sculptural centrepiece)\u003c\/li\u003e\n  \u003cli\u003eCommunity freshwater tanks (shared shelter for shy species)\u003c\/li\u003e\n  \u003cli\u003eAquascape competition tanks (unique focal point)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow is this different from your aquarium caves?\u003c\/h2\u003e\n\u003cp\u003eThis is a freestanding sculptural shelter, not a corner cave or buried tunnel. The multi-hole \"coral\" shape works as a tank centrepiece on top of substrate — and the multiple openings mean a whole community of fish and shrimp can use it at once, rather than one fish claiming a single chamber.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs it really safe for shrimp?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe (no copper, no leaching) and the smooth interior won't catch moults. The multi-chamber design is one of the best shapes for shrimp colonies — every shrimp can find its own grazing surface.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use it instead of real Texas holey rock?\u003c\/h3\u003e\n\u003cp\u003eYes — that's one of the main design intents. Real holey rock is heavy, expensive, and often hard to source. This gives the same visual effect for Lake Malawi setups at a fraction of the weight and cost.\u003c\/p\u003e\n\n\u003ch3\u003eWill fish actually use the holes?\u003c\/h3\u003e\n\u003cp\u003eAlmost always within 24-48 hours. The 2.5 cm openings are sized for typical community fish — corydoras, small plecos and shrimp all fit through comfortably. Bigger species like adult plecos use the larger chambers.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it need to be buried?\u003c\/h3\u003e\n\u003cp\u003eNo — it's designed to sit visibly on top of substrate as a centrepiece. The open structure means it doesn't need to be hidden to look natural.\u003c\/p\u003e\n\n\u003ch3\u003eWill my African cichlids spawn in it?\u003c\/h3\u003e\n\u003cp\u003eThe chambers are well-suited for cave-spawning species like apistogramma and kribensis. For larger African cichlids, this works better as territorial cover than a dedicated breeding cave.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it work in saltwater tanks?\u003c\/h3\u003e\n\u003cp\u003eDesigned for freshwater. PETG is inert but we don't currently certify saltwater use — for reef tanks, source dedicated marine-safe decor.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I clean it?\u003c\/h3\u003e\n\u003cp\u003eThe open structure means most debris flushes through naturally during water changes. For algae build-up, use a soft aquarium brush or turkey baster between the holes. Never use soap or detergent.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed to order in our Northumberland workshop in aquarium-safe PETG. The Coral-Style Shelter is one of our signature designs — small-batch production, every piece checked before shipping. Free UK delivery over £30.\u003c\/p\u003e\n","brand":"Blubber Cove","offers":[{"title":"Black","offer_id":52209550885128,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true},{"title":"White","offer_id":52209550917896,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true},{"title":"Beige","offer_id":52209550950664,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true},{"title":"Marble","offer_id":52209550983432,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true},{"title":"Green","offer_id":52209551016200,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":52209551048968,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true},{"title":"Brown","offer_id":52209551081736,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true},{"title":"Grey","offer_id":52209551114504,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true},{"title":"Orange","offer_id":52209551147272,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true},{"title":"Pink","offer_id":52209551180040,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true},{"title":"Purple","offer_id":52209551212808,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true},{"title":"Red","offer_id":52209551245576,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true},{"title":"Yellow","offer_id":52209551278344,"sku":null,"price":26.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/aquarium-cave-for-fish-shrimp-plecos-coral-style-shelter-with-3-hides-for-corydoras-guppies-bottom-dwellers-6877791.jpg?v=1772634273"},{"product_id":"large-corner-aquarium-cave-wide-entrance","title":"Blubber Cove Large Corner Aquarium Cave – Wide Entrance Pleco \u0026 Cichlid Hide","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Large Corner Aquarium Cave\u003c\/strong\u003e is a wide, low-profile corner hide built around an extra-large entrance — sized for adult plecos, larger cichlids, clown loaches and other big-bodied fish that struggle to fit through standard cave openings. It tucks flush into the 90-degree back corner of your tank, saving swim space while giving your largest fish a proper retreat. UK 3D-printed in aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy a wide-entrance corner cave?\u003c\/h2\u003e\n\u003cp\u003eMost aquarium caves are designed for small fish. The opening is too narrow for an adult pleco's body, an oscar's head, or a fully-grown bristlenose — so the cave goes unused and your big fish hide behind filters or rest against the heater instead. This cave solves that. The opening is sized for fish up to roughly 18cm body width, while the corner-fit shape keeps the tank's swim area open.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eExtra-wide entrance — fits adult plecos, cichlids, clown loaches, oscars and large community fish\u003c\/li\u003e\n  \u003cli\u003eCorner-fit design — sits flush to the back corner, preserves swim space\u003c\/li\u003e\n  \u003cli\u003eWide, low-profile silhouette — won't dominate the front view\u003c\/li\u003e\n  \u003cli\u003eSmooth rounded interior — safe for delicate fins and shrimp moults\u003c\/li\u003e\n  \u003cli\u003eCan be buried in substrate or sit visibly above gravel\u003c\/li\u003e\n  \u003cli\u003e3D-printed in the UK from aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003eEncourages natural cave-spawning behaviour (apistos, plecos, kribensis)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard size:\u003c\/strong\u003e 130 × 130 × 70 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge size:\u003c\/strong\u003e 180 × 180 × 75 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e 90-degree back corner of tank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Wide and low (vs our tall mangrove corner cave)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Marble Effect, Moss Green, Sand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAdult bristlenose plecos, common plecos, sailfin plecos\u003c\/li\u003e\n  \u003cli\u003eCichlids — apistogramma, kribensis, electric blue acara, dwarf cichlids\u003c\/li\u003e\n  \u003cli\u003eClown loaches, yoyo loaches, weather loaches\u003c\/li\u003e\n  \u003cli\u003eLarger community fish — angelfish, oscars (juvenile), severums\u003c\/li\u003e\n  \u003cli\u003eAlso works for corydoras, kuhli loaches and shrimp colonies in shared tanks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChoosing the right size\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard (130 × 130 × 70 mm):\u003c\/strong\u003e tanks 40–100 litres, juvenile plecos, shrimp colonies, smaller cichlids\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge (180 × 180 × 75 mm):\u003c\/strong\u003e tanks 100–300 litres, adult plecos, larger cichlids, community setups with big fish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow is this different from your other Blubber Cove caves?\u003c\/h2\u003e\n\u003cp\u003eWe make several cave shapes — pick the one that suits your fish and aquascape:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge corner cave (this one):\u003c\/strong\u003e wide low-profile corner with an extra-large entrance for big-bodied fish\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTall mangrove corner cave:\u003c\/strong\u003e same corner placement but taller with mangrove-style pillars and a smaller entrance — for vertical scape interest\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePleco cave tunnel:\u003c\/strong\u003e long low-profile foreground tunnel with two openings, sits at the front or buries under substrate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAquarium cave hideaway:\u003c\/strong\u003e rounded mid-tank dome for general species cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eHow wide is the entrance?\u003c\/h3\u003e\n\u003cp\u003eDesigned for fish up to roughly 18cm body width on the Large size. Adult bristlenose plecos, common plecos and most medium cichlids fit comfortably. If you have particularly large oscars or red-tail catfish, measure your fish first.\u003c\/p\u003e\n\n\u003ch3\u003eCan it be buried in substrate or used above ground?\u003c\/h3\u003e\n\u003cp\u003eBoth. It's designed to hug the substrate line — bury the base for a natural cave look, or sit it on gravel for a more visible feature. Either way, the corner fit means it stays put.\u003c\/p\u003e\n\n\u003ch3\u003eIs it safe for shrimp and delicate fins?\u003c\/h3\u003e\n\u003cp\u003eYes. Every surface is smooth and snag-free. PETG is shrimp-safe (no copper, no leaching) and food-grade — won't release chemicals into your water.\u003c\/p\u003e\n\n\u003ch3\u003eWill plecos actually use it?\u003c\/h3\u003e\n\u003cp\u003ePlecos almost always claim a cave within 24-48 hours, and the wide entrance is the difference between a cave they ignore and a cave they live in. Place it in a quieter section of the tank away from strong filter flow.\u003c\/p\u003e\n\n\u003ch3\u003eWill it work as a cichlid breeding cave?\u003c\/h3\u003e\n\u003cp\u003eYes — the enclosed corner shape and wide entrance suit cave-spawners like apistogramma, kribensis and bristlenose plecos. The textured interior gives eggs somewhere to attach.\u003c\/p\u003e\n\n\u003ch3\u003eWhich corner cave should I pick — this one or the tall mangrove?\u003c\/h3\u003e\n\u003cp\u003ePick this Large Corner Cave if you have big-bodied fish that need a wide entrance, or if you want a low-profile look that doesn't dominate the tank. Pick the Tall Mangrove Corner Cave if you want vertical scape interest and your fish are smaller (shrimp, corydoras, kuhli loach, smaller plecos).\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eEvery cave is 3D-printed to order in our UK workshop in aquarium-safe PETG. Original aquascaper-designed pieces — no imports, no drop-shipping. Free UK delivery over £30.\u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black \/ Standard","offer_id":52675021046024,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Large","offer_id":52675021078792,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"White \/ Standard","offer_id":52675021111560,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"White \/ Large","offer_id":52675021144328,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Standard","offer_id":52675021177096,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Large","offer_id":52675021209864,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Standard","offer_id":52675021242632,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Large","offer_id":52675021275400,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Standard","offer_id":52675021308168,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Large","offer_id":52675021340936,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/corner-aquarium-cave-hide-for-pleco-shrimp-betta-natural-tank-decor-6171450.jpg?v=1772634271"},{"product_id":"corner-aquarium-cave-mangrove","title":"Blubber Cove Corner Aquarium Cave – Tall Mangrove-Style Pleco \u0026 Shrimp Hide","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Corner Aquarium Cave\u003c\/strong\u003e is a tall, mangrove-style hide that tucks into the 90-degree corner of your tank. By using the dead corner space, it saves precious swim area while adding vertical interest to your aquascape. The large entrance suits plecos and bigger fish, while the textured pillars and shaded interior keep shrimp, corydoras and kuhli loaches exploring and calm. UK 3D-printed in aquarium-safe PETG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy a corner cave?\u003c\/h2\u003e\n\u003cp\u003eMost aquarium caves dominate the middle of the tank — they look good but eat into swim space and block the front-glass view. A purpose-built corner cave does the opposite: it sits flush against the back-corner glass, hidden in the dead zone most tanks waste, while still giving your fish a full shaded retreat. You get the cave without losing the scape.\u003c\/p\u003e\n\n\u003ch2\u003eThe mangrove-style design\u003c\/h2\u003e\n\u003cp\u003eInspired by tropical mangrove roots, this cave uses tall textured pillars and a stone-look finish to add vertical interest that flat caves can't match. Pair with java fern, anubias or hardscape stone for a natural blackwater or planted-tank aesthetic. The texture also gives biofilm and aufwuchs somewhere to colonise — shrimp will graze the surface within weeks.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCorner-fit design — sits flush to back-corner glass and substrate\u003c\/li\u003e\n  \u003cli\u003eTall mangrove-style pillars add vertical scape interest\u003c\/li\u003e\n  \u003cli\u003eLarge entrance designed for adult plecos and bigger fish\u003c\/li\u003e\n  \u003cli\u003eShaded interior + curved tunnel for shrimp, corydoras, kuhli loach foraging\u003c\/li\u003e\n  \u003cli\u003eTextured stone-look finish — natural appearance in planted or hardscape tanks\u003c\/li\u003e\n  \u003cli\u003e3D-printed in the UK from aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003eSmooth fish-safe edges — no snags on delicate fins or shrimp moults\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard size:\u003c\/strong\u003e 130 × 130 × 75 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge size:\u003c\/strong\u003e 195 × 195 × 100 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e 90-degree back corner of tank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Marble Effect, Moss Green, Sand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBristlenose plecos, clown plecos, common plecos\u003c\/li\u003e\n  \u003cli\u003eCorydoras (pygmaeus, panda, bronze, sterbai, julii)\u003c\/li\u003e\n  \u003cli\u003eKuhli loaches, weather loaches, hillstream loach\u003c\/li\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp\u003c\/li\u003e\n  \u003cli\u003eApistogramma and other dwarf cichlids (cave-spawners)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChoosing the right size\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard (130 × 130 × 75 mm):\u003c\/strong\u003e nano and small tanks 20–80 litres, shrimp tanks, bristlenose plecos\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge (195 × 195 × 100 mm):\u003c\/strong\u003e mid-size tanks 80–250 litres, adult plecos, community setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow is this different from your other Blubber Cove caves?\u003c\/h2\u003e\n\u003cp\u003eWe make several cave styles — pick the one that suits your tank layout:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner cave (this one):\u003c\/strong\u003e tall, fits the 90° back corner, saves swim space, mangrove-style pillars\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePleco cave tunnel:\u003c\/strong\u003e long low-profile foreground tunnel with two openings, sits at the front or buries under substrate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAquarium cave hideaway:\u003c\/strong\u003e rounded mid-tank dome shape for general species cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWill plecos actually fit?\u003c\/h3\u003e\n\u003cp\u003eYes — the large entrance is sized for adult bristlenose plecos and common plecos up to roughly 15cm body length on the Large size. For larger species, choose the Large.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it work for shrimp and kuhli loaches too?\u003c\/h3\u003e\n\u003cp\u003eYes. The textured surface gives shrimp grazing biofilm, the curved tunnel suits kuhli loaches' wriggling movement, and the multiple shaded zones reduce stress for nano fish.\u003c\/p\u003e\n\n\u003ch3\u003eWill it disrupt my aquascape?\u003c\/h3\u003e\n\u003cp\u003eNo — it's specifically designed to use the dead back-corner space most aquascapers waste. The footprint preserves open swim area and your front-glass view stays clear.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does \"mangrove style\" mean?\u003c\/h3\u003e\n\u003cp\u003eThe pillars and textured finish are designed to evoke tropical mangrove root systems — tall, organic, stone-like. It's a design aesthetic, not a literal driftwood material. Pair with anubias, java fern or natural hardscape for the full effect.\u003c\/p\u003e\n\n\u003ch3\u003eIs it safe for shrimp and breeding tanks?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe — no copper, no leaching. The cave shape also makes a good spawning site for cave-breeders like apistogramma and bristlenose plecos.\u003c\/p\u003e\n\n\u003ch3\u003eWill it fit my tank?\u003c\/h3\u003e\n\u003cp\u003eThe Standard fits nano tanks from 20 litres. The Large suits tanks from 80 litres up. Both require a 90-degree internal corner (most rectangular tanks).\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eOriginal aquascaper-designed pieces, 3D-printed in our UK workshop in aquarium-safe PETG, finished smooth and packed fast. No imports, no drop-shipping. Free UK delivery over £30.\u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black \/ Standard","offer_id":52675449323784,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Large","offer_id":52675449356552,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"White \/ Standard","offer_id":52675449389320,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"White \/ Large","offer_id":52675449422088,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Standard","offer_id":52675449454856,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Large","offer_id":52675449487624,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Standard","offer_id":52675449520392,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Large","offer_id":52675449553160,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Standard","offer_id":52675449585928,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Large","offer_id":52675449618696,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/corner-aquarium-cave-tunnel-for-pleco-shrimp-large-entrance-mangrove-style-5642816.jpg?v=1772634269"},{"product_id":"pleco-cave-aquarium-tunnel","title":"Blubber Cove Pleco Cave Tunnel – Aquarium Hide for Plecos, Corydoras \u0026 Shrimp","description":"\u003cp\u003eThe \u003cstrong\u003eBlubber Cove Pleco Cave Tunnel\u003c\/strong\u003e is a low-profile aquarium tunnel designed for plecos, corydoras, kuhli loaches and shrimp. The wide curved entrance lets bottom-dwellers glide in and out without snagging fins or whiskers, while the flat top sits neatly at the front of your aquascape — or buries seamlessly under sand or gravel for a natural underground-cave look. UK 3D-printed from aquarium-safe PETG. No glue, no paint, no sharp edges.\u003c\/p\u003e\n\n\u003ch2\u003eWhy bottom-dwellers need a cave tunnel\u003c\/h2\u003e\n\u003cp\u003ePlecos and corydoras are nocturnal foragers — they need a dark, low shelter during daylight hours to feel secure. Without one, they hide behind filters, wedge themselves under driftwood, or stop eating. A purpose-built pleco cave tunnel gives them a stress-free daytime retreat and a defined territory, which reduces aggression in shared tanks.\u003c\/p\u003e\n\n\u003ch2\u003eThree ways to use it\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForeground feature:\u003c\/strong\u003e sit it at the front of the tank as a visible cave — low profile means it doesn't block view lines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnder sand:\u003c\/strong\u003e bury it under your substrate so only the entrance shows — creates an underground-cave effect\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnder gravel:\u003c\/strong\u003e partially submerge in gravel for a natural rock-overhang look\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge curved entrance — sized for adult plecos (up to 15cm body length on the Large)\u003c\/li\u003e\n  \u003cli\u003eLow foreground profile — won't dominate the aquascape\u003c\/li\u003e\n  \u003cli\u003eHollow tunnel design — fish enter one end, exit the other\u003c\/li\u003e\n  \u003cli\u003eWorks under sand, gravel, or as a visible foreground feature\u003c\/li\u003e\n  \u003cli\u003eSmooth snag-free edges — safe with delicate fins and shrimp moults\u003c\/li\u003e\n  \u003cli\u003e3D-printed in the UK from aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003eNo glue, no paint, no leaching — inert in freshwater\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aquarium-safe PETG plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard size:\u003c\/strong\u003e 130 × 130 × 75 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge size:\u003c\/strong\u003e 230 × 155 × 70 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, White, Marble Effect, Moss Green, Sand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blubber Cove\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSuitable species\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBristlenose plecos, common plecos, clown plecos\u003c\/li\u003e\n  \u003cli\u003eCorydoras (all species — pygmaeus, panda, bronze, sterbai)\u003c\/li\u003e\n  \u003cli\u003eKuhli loaches and weather loaches\u003c\/li\u003e\n  \u003cli\u003eNeocaridina and Caridina shrimp\u003c\/li\u003e\n  \u003cli\u003eOtocinclus, hillstream loach, whiptail catfish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChoosing the right size\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard (130 × 130 × 75 mm):\u003c\/strong\u003e nano tanks 20–60 litres, bristlenose plecos under 10cm, shrimp colonies, corydoras\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge (230 × 155 × 70 mm):\u003c\/strong\u003e mid-size tanks 60–250 litres, adult plecos, clown loaches, multiple bottom-dwellers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWill my pleco actually use it?\u003c\/h3\u003e\n\u003cp\u003ePlecos almost always claim a cave within 24-48 hours. They're territorial and prefer enclosed daytime shelters. If your pleco doesn't use it immediately, place it in a quieter corner of the tank away from filter outflow.\u003c\/p\u003e\n\n\u003ch3\u003eCan I bury it under sand or gravel?\u003c\/h3\u003e\n\u003cp\u003eYes — that's one of the main design intents. Bury the top and sides so only the entrance shows. It creates an underground-cave effect and looks completely natural in planted setups.\u003c\/p\u003e\n\n\u003ch3\u003eIs it safe for shrimp?\u003c\/h3\u003e\n\u003cp\u003eYes. PETG is shrimp-safe (no copper, no leaching). The smooth edges won't catch shrimp moults, and the tunnel form gives them a foraging and shelter zone away from larger tankmates.\u003c\/p\u003e\n\n\u003ch3\u003eWill it fit my tank?\u003c\/h3\u003e\n\u003cp\u003eThe Standard fits nano tanks from 20 litres. The Large suits tanks from 60 litres up. If you have a Fluval Spec, Flex, or other small tank, choose the Standard.\u003c\/p\u003e\n\n\u003ch3\u003eHow is this different from your other aquarium caves?\u003c\/h3\u003e\n\u003cp\u003eThis is the \u003cstrong\u003etunnel\u003c\/strong\u003e version — long, low, with two openings, designed to sit at the front or buried under substrate. Our rounded hideaway cave is a single-entrance dome shape for mid-tank placement. Our corner caves fit into 90-degree tank corners. Pick the shape that matches your aquascape.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I clean it?\u003c\/h3\u003e\n\u003cp\u003eRinse in tank water during your weekly water change. For algae buildup, scrub with an aquarium-safe brush — never use soap or detergent.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buy from Blubber Cove\u003c\/h2\u003e\n\u003cp\u003eEvery cave is 3D-printed to order in our UK workshop. We design, manufacture and ship from the same place — no imports, no drop-shipping. Free UK delivery over £30.\u003c\/p\u003e","brand":"Blubber Cove","offers":[{"title":"Black \/ Standard","offer_id":52675986751752,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Large","offer_id":52675986784520,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"White \/ Standard","offer_id":52675986817288,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"White \/ Large","offer_id":52675986850056,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Standard","offer_id":52675986882824,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Marble Effect \/ Large","offer_id":52675986915592,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Standard","offer_id":52675986948360,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Moss Green \/ Large","offer_id":52675986981128,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Standard","offer_id":52675987013896,"sku":null,"price":24.99,"currency_code":"GBP","in_stock":true},{"title":"Sand \/ Large","offer_id":52675987046664,"sku":null,"price":35.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/files\/aquarium-cave-tunnel-large-entrance-pleco-shrimp-hide-stdlarge-2058262.jpg?v=1772634270"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0880\/7114\/3688\/collections\/aquarium-and-reptile-tanks-2099527.jpg?v=1772634188","url":"https:\/\/www.getwarsplay.com\/collections\/aquarium-and-reptiles.oembed","provider":"WarSplay","version":"1.0","type":"link"}