Aquarium Shrimp Cave & Betta Fish Hiding Spot | 3D Tank Decor

Give Your Aquatic Pets the Perfect Hideaway

Transform your aquarium into a natural, stimulating underwater world with this 3D Printed Aquarium Shrimp Cave & Betta Fish Hiding Spot. Whether you keep shrimp, betta fish, or other small aquatic pets, this porous cave shelter provides a safe, stress-free sanctuary that mimics their natural habitat — while adding a charming decorative focal point to your tank.

Made in Mainland China.

Why Your Fish & Shrimp Will Love It

• Natural Hiding & Resting Space: The hollow, irregular cave structure gives fish and shrimp the freedom to explore, rest, and retreat — reducing stress caused by external disturbances and encouraging natural behaviours.
• Safe for Delicate Scales & Water Quality: Crafted from PETG (Polyethylene Terephthalate Glycol-Modified) with smooth 3D-printed surfaces, this cave won't scratch delicate fish scales or disrupt your tank's water chemistry balance.
• Effortless Installation: Features a robust suction cup for secure, adjustable placement — no complicated setup required. Reposition it anywhere in your tank with ease.
• Eye-Catching Aquarium Décor: Adds a sense of whimsy and creativity to any aquascape, making it a visual highlight whether your tank is in a bedroom, office, hotel lobby, café, restaurant, or pet store.
• Widely Compatible: Ideal for betta fish tanks, shrimp breeding nests, nano tanks, and desktop aquariums. A perfect fit for both beginner hobbyists and experienced aquarists.

Product Specifications

Perfect Placement Ideas

This versatile aquarium cave looks stunning in a wide variety of settings:

• Living room display tanks
• Bedroom desktop nano aquariums
• Office or café fish tanks
• Pet store shrimp breeding setups
• Hotel lobby feature aquariums

Note

Due to lighting effects and display angles, there may be slight colour differences. Due to manual measurement, minor size variations may occur. Please allow for these small tolerances.

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Further Reading

For guidance on maintaining a healthy aquarium environment for your fish and shrimp, visit the EPA's WaterSense Resource for water quality tips.

Frequently Asked Questions

Q: Is the aquarium shrimp cave safe for fish and shrimp?

A: Yes! The cave is made from PETG plastic with smooth, 3D-printed surfaces that will not scratch delicate fish scales or leach harmful chemicals into your tank water, making it completely safe for both shrimp and betta fish.

Q: How do I attach the fish tank cave to my aquarium?

A: The shrimp cave comes with a strong suction cup that attaches securely to the glass or acrylic wall of your tank. Simply press it firmly into position — no tools or adhesive required. It can be repositioned easily whenever you want to redecorate.

Q: What size tanks is this cave suitable for?

A: At approximately 8.6 × 8.8 cm (3.4 × 3.5 inches), this cave is ideal for nano tanks, desktop aquariums, shrimp breeding tanks, and small-to-medium betta fish tanks. It works best in tanks with at least 10 litres of water.

Q: Can I use this cave for shrimp breeding?

A: Absolutely. The porous, hollow structure of the cave provides excellent shelter and hiding spots that mimic the natural environment shrimp prefer for breeding and moulting, making it a popular choice for cherry shrimp, ghost shrimp, and other freshwater shrimp species.