{"product_id":"3d-aquarium-cave-decoration-fish-tank-tunnel-hideout","title":"3D Aquarium Cave Hideout – Fish Tank Tunnel Decoration","description":"\u003ch2\u003eCreate a Stunning Underwater World for Your Aquatic Pets\u003c\/h2\u003e\n\u003cp\u003eTransform your fish tank into a vibrant, natural-looking habitat with this \u003cstrong\u003e3D Printed Aquarium Cave Decoration\u003c\/strong\u003e by Nixie. Crafted from durable, aquarium-safe PLA material, this realistic tunnel shelter is designed to delight both your fish and your eyes — adding depth, beauty, and function to any freshwater or saltwater tank.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3D Hollow Tunnel Design:\u003c\/strong\u003e Features a double-hole tunnel shape that creates a realistic and engaging underwater passage for fish, shrimp, and other aquatic creatures to swim through and explore.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafe \u0026amp; Comfortable Hideout:\u003c\/strong\u003e Provides a private, secure shelter for small fish, shrimp, and other aquatic pets to rest, relax, and breed — promoting a calmer, more natural environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRealistic Underwater Landscape:\u003c\/strong\u003e Adds a vivid, natural 3D scene to your aquarium, greatly enhancing its visual appeal and making it a true centerpiece in any room.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePractical \u0026amp; Decorative:\u003c\/strong\u003e A beautiful ornament that doubles as a functional hideaway — perfect for building a lively, natural living space for your aquatic companions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Suitable for all types of freshwater and saltwater aquariums, making it easy to create a creative and comfortable underwater world.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNixie\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLA (Aquarium-Safe)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcess\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3D Printed\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAquarium Scenery \/ Cave Tunnel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyle 1 Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 × 12 × 4 cm (4.72 × 4.72 × 1.57 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyle 2 Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21 × 4 × 5.3 cm (8.27 × 1.57 × 2.09 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Aquarium Cave \/ Tunnel Decoration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to lighting and monitor differences, colors may vary slightly. Please allow minor size tolerances due to manual measurement.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-extended-straw-vacuum-cleaner-aquarium-water-exchanger-simple-cleaning-tool-multi-functional\"\u003e1PC Extended Straw Vacuum Cleaner Aquarium Water Exchanger – Simple Cleaning Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-pet-hair-removal-tool-reusable-static-removal-gloves-double-sided-grooming-gloves-for-pets-removes-pet-fur-hair-for-carpets\"\u003e1PC Pet Hair Removal Tool – Reusable Double-Sided Grooming Gloves\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10m-parrot-bird-leash-flying-training-rope-strap-parrot-bird-harness-leash-outdoor-adjustable-cockatiels-anti-bite-training-rope\"\u003e10M Parrot Bird Harness Leash – Outdoor Adjustable Training Rope\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fws.gov\/\" target=\"_blank\" rel=\"noopener\"\u003eU.S. Fish and Wildlife Service\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this aquarium cave decoration safe for fish and shrimp?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The Nixie 3D aquarium cave is made from PLA, an aquarium-safe material that contains no harmful chemicals, making it safe for fish, shrimp, and other aquatic pets in both freshwater and saltwater tanks.\u003c\/p\u003e\n\u003ch4\u003eQ: What size aquarium is this decoration suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: This fish tank tunnel hideout is compatible with all sizes and types of aquariums — freshwater or saltwater. Style 1 measures 12 × 12 × 4 cm, while Style 2 measures 21 × 4 × 5.3 cm, making them suitable for small to medium tanks.\u003c\/p\u003e\n\u003ch4\u003eQ: Will the decoration float or stay at the bottom of the tank?\u003c\/h4\u003e\n\u003cp\u003eA: The 3D printed PLA cave is designed to rest naturally at the bottom of the aquarium, providing a stable and realistic shelter and hiding spot for your aquatic pets without floating or tipping over.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this aquarium cave decoration safe for fish and shrimp?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The Nixie 3D aquarium cave is made from PLA, an aquarium-safe material that contains no harmful chemicals, making it safe for fish, shrimp, and other aquatic pets in both freshwater and saltwater tanks.\"}}, {\"@type\": \"Question\", \"name\": \"What size aquarium is this decoration suitable for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This fish tank tunnel hideout is compatible with all sizes and types of aquariums — freshwater or saltwater. Style 1 measures 12 × 12 × 4 cm, while Style 2 measures 21 × 4 × 5.3 cm, making them suitable for small to medium tanks.\"}}, {\"@type\": \"Question\", \"name\": \"Will the decoration float or stay at the bottom of the tank?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 3D printed PLA cave is designed to rest naturally at the bottom of the aquarium, providing a stable and realistic shelter and hiding spot for your aquatic pets without floating or tipping over.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"3D Aquarium Cave Hideout – Fish Tank Tunnel Decoration\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/3d-aquarium-cave-decoration-fish-tank-tunnel-hideout\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Style2-Black","offer_id":67611850735715,"sku":"1005011893685209-Style2-Black","price":12.92,"currency_code":"USD","in_stock":true},{"title":"Style1-White","offer_id":67611850768483,"sku":"1005011893685209-Style1-White","price":15.69,"currency_code":"USD","in_stock":true},{"title":"Style2-White","offer_id":67611850801251,"sku":"1005011893685209-Style2-White","price":12.88,"currency_code":"USD","in_stock":true},{"title":"Style1-Black","offer_id":67611850834019,"sku":"1005011893685209-Style1-Black","price":10.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/2047\/6003\/files\/Sd50d1556a9e84356ad316bd393e8dfb9m.webp?v=1790803504","url":"https:\/\/nixiehaven.com\/products\/3d-aquarium-cave-decoration-fish-tank-tunnel-hideout","provider":"Nixie","version":"1.0","type":"link"}