{"title":"Deep Sea \u0026 Rock Hollows","description":"\u003cp\u003eCanyon- and stone-inspired aquarium caves with rugged, natural rock textures — dramatic hideaways built for depth and shelter.\u003c\/p\u003e","products":[{"product_id":"abyssal-grotto-aquarium-cave","title":"Abyssal Grotto Aquarium Cave","description":"\u003cp\u003eAbyssal Grotto brings the mystery of deep-sea grottos into your aquarium. Its intricate tunnels, arches, and textured surfaces create a dramatic focal point while providing a safe, stress-reducing hideaway for fish and shrimp.\u003c\/p\u003e\u003cp\u003eIdeal for shy, nocturnal, or territorial species, and suitable for both freshwater and saltwater aquariums. Each cave is 3D printed for durability and lightweight precision, making placement easy without disturbing your tank décor.\u003c\/p\u003e\u003ch3\u003eAquarium Safe \u0026amp; Durable\u003c\/h3\u003e\u003cp\u003eMade from high-quality, aquarium-safe, non-toxic PETG. Smooth edges, sturdy, and long-lasting.\u003c\/p\u003e\u003ch3\u003eAvailable Sizes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLarge (L): 220 × 144 × 69 mm\u003c\/li\u003e\n\u003cli\u003eMedium (M): 170 × 111 × 53 mm\u003c\/li\u003e\n\u003cli\u003eSmall (S): 120 × 78 × 38 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease select your preferred size when ordering.\u003c\/p\u003e\u003ch3\u003eUsage\u003c\/h3\u003e\u003cp\u003eBest placed on gravel substrate. Not recommended for fine sand, as sand can enter the cave.\u003c\/p\u003e\u003ch3\u003eBefore Use\u003c\/h3\u003e\u003cp\u003eRinse thoroughly before placing in your tank. Minor surface variations are normal due to the 3D printing process. Colors may look slightly different depending on lighting and screen settings. Custom sizes are available on request.\u003c\/p\u003e","brand":"Terraloo","offers":[{"title":"Small","offer_id":62859085414730,"sku":null,"price":9.0,"currency_code":"EUR","in_stock":true},{"title":"Medium","offer_id":62944809091402,"sku":null,"price":19.8,"currency_code":"EUR","in_stock":true},{"title":"Large","offer_id":62944809124170,"sku":null,"price":37.2,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/6469\/1018\/files\/1.png?v=1785734970"},{"product_id":"nerolith-hollow-aquarium-cave","title":"Nerolith Hollow Aquarium Cave","description":"\u003cp\u003eA sculpted canyon for your aquarium. The Nerolith Hollow was created to bring the feeling of natural canyon landscapes into your tank — soft erosion lines, layered rock texture, and a hollow center that creates real depth.\u003c\/p\u003e\u003cp\u003eThe open hollow gives fish and shrimp a secure place to hide and rest, helping reduce stress and making your tank feel more natural and balanced.\u003c\/p\u003e\u003ch3\u003ePrinted in Durable PETG\u003c\/h3\u003e\u003cp\u003eStrong, water resistant, and stable in both freshwater and saltwater aquariums. Lightweight but solid.\u003c\/p\u003e\u003ch3\u003eAvailable Sizes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLarge: 220 × 155 × 63 mm\u003c\/li\u003e\n\u003cli\u003eMedium: 170 × 120 × 49 mm\u003c\/li\u003e\n\u003cli\u003eSmall: 120 × 84 × 34 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWorks well in nano tanks, shrimp tanks, reef tanks, and larger display aquariums.\u003c\/p\u003e","brand":"Terraloo","offers":[{"title":"Small","offer_id":62859086135626,"sku":null,"price":9.15,"currency_code":"EUR","in_stock":true},{"title":"Medium","offer_id":62944811057482,"sku":null,"price":12.97,"currency_code":"EUR","in_stock":true},{"title":"Large","offer_id":62944811090250,"sku":null,"price":27.45,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/6469\/1018\/files\/1_8b416d02-aa9f-453d-accb-e0e4865ef4dd.png?v=1785735362"},{"product_id":"abyssroot-aquarium-cave","title":"Abyssroot Aquarium Cave","description":"\u003cp\u003eAbyssroot is a 3D-printed aquarium cave hide from Terraloo, designed to give fish and shrimp a natural-looking shelter and a striking focal point for your aquascape.\u003c\/p\u003e\u003cp\u003eMade from aquarium-safe, non-toxic PETG, suitable for both freshwater and saltwater tanks. Available in multiple sizes — contact us for exact dimensions.\u003c\/p\u003e\u003cp\u003eBest placed on gravel substrate. Minor surface variations are normal due to the 3D printing process.\u003c\/p\u003e","brand":"Terraloo","offers":[{"title":"Small","offer_id":62859086823754,"sku":null,"price":11.7,"currency_code":"EUR","in_stock":true},{"title":"Medium","offer_id":62944811974986,"sku":null,"price":32.1,"currency_code":"EUR","in_stock":true},{"title":"Large","offer_id":62944812007754,"sku":null,"price":69.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/6469\/1018\/files\/1_0a166f3f-ecf4-4731-afda-2d029ae97b9b.png?v=1785736157"},{"product_id":"stone-vortex-den-aquarium-cave","title":"Stone Vortex Den Aquarium Cave","description":"\u003cp\u003eStone Vortex Den is a 3D-printed aquarium cave hide from Terraloo, designed to give fish and shrimp a natural-looking shelter and a striking focal point for your aquascape.\u003c\/p\u003e\u003cp\u003eMade from aquarium-safe, non-toxic PETG, suitable for both freshwater and saltwater tanks. Available in multiple sizes — contact us for exact dimensions.\u003c\/p\u003e\u003cp\u003eBest placed on gravel substrate. Minor surface variations are normal due to the 3D printing process.\u003c\/p\u003e","brand":"Terraloo","offers":[{"title":"Small","offer_id":62859086954826,"sku":null,"price":7.5,"currency_code":"EUR","in_stock":true},{"title":"Medium","offer_id":62944812073290,"sku":null,"price":18.9,"currency_code":"EUR","in_stock":true},{"title":"Large","offer_id":62944812106058,"sku":null,"price":39.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/6469\/1018\/files\/1_3ae4ba9d-eb8e-470c-a498-fd3617936736.png?v=1785736268"},{"product_id":"gnarled-root-hollow-aquarium-cave","title":"Gnarled Root Hollow Aquarium Cave","description":"\u003cp\u003eGnarled Root Hollow is a 3D-printed aquarium cave hide from Terraloo, designed to give fish and shrimp a natural-looking shelter and a striking focal point for your aquascape.\u003c\/p\u003e\u003cp\u003eMade from aquarium-safe, non-toxic PETG, suitable for both freshwater and saltwater tanks. Available in multiple sizes — contact us for exact dimensions.\u003c\/p\u003e\u003cp\u003eBest placed on gravel substrate. Minor surface variations are normal due to the 3D printing process.\u003c\/p\u003e","brand":"Terraloo","offers":[{"title":"Small","offer_id":62859087053130,"sku":null,"price":20.1,"currency_code":"EUR","in_stock":true},{"title":"Medium","offer_id":62944812302666,"sku":null,"price":42.75,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/6469\/1018\/files\/1_d4c7260d-7ec2-4241-9879-73c60749e970.jpg?v=1785736540"},{"product_id":"aquashade-den-aquarium-cave","title":"Aquashade Den Aquarium Cave","description":"\u003cp\u003eAquashade Den is a 3D-printed aquarium cave hide from Terraloo, designed to give fish and shrimp a natural-looking shelter and a striking focal point for your aquascape.\u003c\/p\u003e\u003cp\u003eMade from aquarium-safe, non-toxic PETG, suitable for both freshwater and saltwater tanks. Available in multiple sizes — contact us for exact dimensions.\u003c\/p\u003e\u003cp\u003eBest placed on gravel substrate. Minor surface variations are normal due to the 3D printing process.\u003c\/p\u003e","brand":"Terraloo","offers":[{"title":"Small","offer_id":62859087151434,"sku":null,"price":6.0,"currency_code":"EUR","in_stock":true},{"title":"Medium","offer_id":62944813121866,"sku":null,"price":12.75,"currency_code":"EUR","in_stock":true},{"title":"Large","offer_id":62944813154634,"sku":null,"price":18.75,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/6469\/1018\/files\/1_c5c5794a-7d13-4fc7-812b-3297f33e835d.jpg?v=1785736640"},{"product_id":"hadals-rise-aquarium-terrarium-cave","title":"Hadals Rise Aquarium Terrarium Cave","description":"\u003cp\u003eSuitable for fish, shrimp, plecos, bettas, cichlids, and other freshwater or saltwater species. Can also be used in terrariums as a shelter for reptiles, amphibians, or invertebrates.\u003c\/p\u003e\u003cp\u003eMade from high-quality, aquarium-safe PETG material. Strong, water-resistant, and suitable for both freshwater and saltwater aquariums, with smooth openings and no sharp edges.\u003c\/p\u003e\u003cp\u003eAvailable sizes: Small 120 x 116 x 63mm, Medium 170 x 165 x 90mm, Large 220 x 214 x 116mm. Best placed on gravel substrate.\u003c\/p\u003e","brand":"Terraloo","offers":[{"title":"S","offer_id":62944650625354,"sku":null,"price":12.96,"currency_code":"EUR","in_stock":true},{"title":"M","offer_id":62944729235786,"sku":null,"price":35.02,"currency_code":"EUR","in_stock":true},{"title":"L","offer_id":62944729268554,"sku":null,"price":74.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/6469\/1018\/files\/il_794xN.7773170862_3lvc.jpg?v=1786617949"},{"product_id":"skull-pleco-cave-hide","title":"Skull Pleco Cave Hide","description":"\u003cp\u003eGive your plecos and bottom-dwelling fish a unique and secure hiding place with this Skull Pleco Cave Hide. Featuring detailed skull-themed exterior textures and a spacious interior tunnel, this aquarium decoration provides shelter while adding a striking look to your aquascape.\u003c\/p\u003e\u003cp\u003eProfessionally 3D printed using aquarium-safe PETG filament, durable, non-toxic, and designed for long-term underwater use. Dimensions: 113 x 70 x 67mm. Custom sizes available on request.\u003c\/p\u003e","brand":"Terraloo","offers":[{"title":"Default Title","offer_id":62944654623050,"sku":null,"price":14.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/6469\/1018\/files\/il_794xN.8151527614_a7jj.jpg?v=1786617982"},{"product_id":"rushmore-hollow-aquarium-cave","title":"Rushmore Hollow Aquarium Cave","description":"\u003cp\u003eBring a natural rock-style shelter to your setup with the Rushmore Hollow. Expertly 3D printed from durable PETG filament, this unique hideout is safe for freshwater aquariums, saltwater tanks, and terrariums. Perfect for shrimp, bettas, plecos, cichlids, reptiles, amphibians, and other small pets.\u003c\/p\u003e\u003cp\u003eAvailable sizes: Medium 170 x 97 x 65mm, Large 220 x 125 x 85mm. Lightweight, easy to clean, and long-lasting.\u003c\/p\u003e","brand":"Terraloo","offers":[{"title":"M","offer_id":62944655147338,"sku":null,"price":25.87,"currency_code":"EUR","in_stock":true},{"title":"L","offer_id":62944729596234,"sku":null,"price":55.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/6469\/1018\/files\/il_794xN.8078318951_9f9g.jpg?v=1786908102"}],"url":"https:\/\/www.terraloo.com\/collections\/deep-sea-rock-hollows.oembed","provider":" Terraloo | Aquarium \u0026 Terrarium Decorations | 3D Printed in Europe ","version":"1.0","type":"link"}