NUPICK Black Underground Aquarium Cave Tunnel, PETG 3D Printed Fish Tank Cave Hideout with Smooth Surface, Two-Hole Aquarium Tunnel, Fish Tank Decor for Bettas, Shrimp, Corys, Loaches, Guppie, Snails

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About This Versatile Cave for Small Pets: Perfectly sized for small swimmers (fits fish up to 3cm wide). A secure aquarium hideout for shy species like Corydoras, loaches, and plec os; a playful fish tunnel for active swimmers like tetras, guppies, and bettas; and a safe shelter for invertebrates including shrimp and snails Tunnel View & Interactive Design: Smooth Edges Keep Delicate Fins and Scales Safe. The flat, glass-side design creates a clear viewing fish tank tunnel into their world. Inside, two strategic pillars add playful structure—not just a hideout, but a mini playground for weaving, chasing, and exploring Premium PETG 3D Printing: About 80% lighter than ceramic, sturdy and not easily broken. BPA-free formula, lightweight yet durable, with colors that stay vibrant for years. Designed for all small aquatic pets seeking comfort, security, and fun Flexible Use & DIY Decor: Use the aquarium underground tunnel cave directly on the substrate or partially bury it for a natural look. The open interior invites personalization—add small plants or colorful pebbles to build a cozy micro-habitat, turning the tunnel into a home away from home for your fish Versatile Beyond Aquariums: A Hideout for Land & Water. Perfect for aquariums, its thoughtful design also serves small terrestrial pets. Ideal as a humid retreat for hermit crabs, a secure shelter for baby snakes, or a cozy spot for frogs and other small amphibians. One cave, endless possibilities Overview Color : Black Brand : NUPICK Theme : Decor Material : Polyethylene Style : English Show more