Aquarium Fish Breeder Box – Mesh Fry Isolation Net for Baby Fish
Keep Your Baby Fish Safe & Thriving
Protect your precious newborn fry, guppies, clownfish, and other juvenile fish with this purpose-built Aquarium Fish Breeder Box. Designed to sit securely inside your existing tank, this mesh breeding isolation net creates a safe haven for baby fish, separating them from larger, aggressive tankmates while still allowing full water circulation. Whether you're hatching eggs, nursing fry, or acclimating new fish, this breeder box is an essential tool for any aquarium hobbyist.
Made in Mainland China.
Key Features
- Fine 1mm Mesh Design: The tight mesh surface prevents tiny juveniles from escaping while also filtering out debris and impurities — keeping your fry and your tank cleaner.
- Crystal-Clear Visibility: The open mesh construction lets you easily observe fish behaviour, feeding, and health without disturbing the tank environment.
- Easy Suction Cup Installation: Comes with 6 suction cups for quick, tool-free attachment to the inside of any aquarium glass — no drilling or special equipment needed.
- Spacious 25 × 15 × 15 cm Size: Generous dimensions (approx. 9.84" × 5.91" × 5.91") give fry and juveniles plenty of room to swim and grow comfortably.
- Widely Compatible: Ideal for breeding, isolating, or acclimating fish of all kinds — guppies, clownfish, bettas, cichlids, and more. Also great for protecting recovering or sick fish.
- Improved Survival Rates: By shielding newborn fry from predatory adult fish, this breeder box dramatically increases the survival rate of your juvenile fish.
Specifications
| Material | Fine Mesh |
| Dimensions | 25 cm × 15 cm × 15 cm / 9.84" × 5.91" × 5.91" |
| Mesh Size | 1 mm |
| Mounting | 6 × Suction Cups (included) |
| Suitable For | Fry, guppies, clownfish, juvenile & aggressive fish separation |
What's in the Box?
- 1 × Fish Breeding Box with Suction Cups
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For more guidance on setting up healthy aquarium environments and responsible fishkeeping, visit the U.S. Fish & Wildlife Service – Fisheries resource page.
Note: Please allow for slight size variations due to manual measurement. Colour may vary slightly depending on your monitor settings.
Frequently Asked Questions
Q: What types of fish is this breeder box suitable for?
A: This aquarium fish breeder box is suitable for a wide range of species including guppies, clownfish, bettas, cichlids, and other livebearers or egg-layers. It's also ideal for isolating aggressive fish or acclimating new arrivals to your tank.
Q: Will the 1mm mesh keep very small fry inside?
A: Yes — the fine 1mm mesh is specifically designed to prevent tiny newborn fry from slipping through while still allowing full water flow and oxygenation. It also acts as a barrier against debris entering the isolation area.
Q: How do I install the fish breeder box in my aquarium?
A: Installation is simple and tool-free. Just attach the 6 included suction cups to the box frame, then press them firmly against the inside glass wall of your aquarium. The box hangs securely in place at any preferred height.
Q: Is this breeder box compatible with both freshwater and saltwater tanks?
A: Yes, the mesh breeder box is designed to work in both freshwater and saltwater (marine) aquariums, making it versatile for a wide range of setups including reef tanks where clownfish breeding is common.