Fish Breeder Box – Aquarium Fry Hatchery & Isolation Net

Fish Breeder Box – Safe Fry Hatchery & Aquarium Isolation Net

Give your fish the best start in life with this versatile Fish Breeder Box. Designed for aquarium enthusiasts, this mesh isolation box creates a secure, separate zone within your existing tank — perfect for breeding, hatching fry, nursing juveniles, or separating aggressive fish from vulnerable ones. Made in Mainland China from durable PP plastic with ultra-fine mesh, it's built to last and easy to maintain.

Why You'll Love This Fish Breeder Box

• Enhanced Breeding Environment: The fine white mesh construction allows water circulation while keeping fry and small fish safely separated from the main tank population. Watch your aquatic ecosystem thrive with full visibility into the breeding zone.
• Hassle-Free Installation: Simply attach the included suction cup to your aquarium wall and secure the net frame in seconds. The sturdy PP frame pillar provides excellent stability — no tools required.
• Superior Fry Protection: Keep newborns and juvenile fish safe from aggressive tank mates. This incubator box dramatically improves fry survival rates by preventing unwanted attacks during the critical early stages of life.
• Ultra-Fine 1mm Mesh Aperture: Keeps impurities, debris, and larger fish out while allowing clean, filtered water to flow freely through — creating a healthy microhabitat inside the box.
• Ideal for Shrimp & Small Fish Too: Use this nurse tank to isolate delicate shrimp, injured fish, or newly introduced specimens until they're ready to join the main tank community safely.
• Two Size Options: Choose the size that fits your aquarium setup best.

Specifications

Package Contents

• 1 × Fish Breeding Isolation Box (size of your choice)

Please note: Due to variations in screen settings, colors may appear slightly different from the photos. Manual measurements may vary by 1–2 cm.

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Learn more: U.S. Fish and Wildlife Service

Frequently Asked Questions

Q: What size fish breeder box should I choose for my aquarium?

A: If you have a smaller desktop or nano aquarium, the Small size (16 × 14 × 15 cm) is a great fit. For standard or larger fish tanks, the Large size (26 × 15 × 16 cm) provides more room for breeding pairs, multiple fry, or larger juvenile fish. Consider the number of fish you plan to isolate when deciding.

Q: Is this fish breeder box easy to set up?

A: Yes! Installation is very straightforward. The box comes with a suction cup that attaches directly to the interior wall of your aquarium, and the PP frame holds the mesh box firmly in place. No tools, drilling, or extra equipment needed — simply press and attach.

Q: Can I use this box for shrimp as well as fish fry?

A: Absolutely. The ultra-fine 1mm mesh aperture is ideal for keeping small shrimp and juvenile fish safely contained while allowing fresh, oxygenated water to flow through. It's a great way to protect delicate shrimp from aggressive tank mates during acclimation or after moulting.

Q: Does the mesh box require any electricity or pump?

A: No — this breeder box is entirely non-electric. It relies on natural water circulation through the fine mesh, making it energy-free and simple to use in any aquarium setup.

Production & Packaging Notice

To 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.