Floating Fish Breeding Box – Aquarium Fry Hatchery Isolator

Safe, Transparent Breeding Space for Fry, Betta, Guppy & Angelfish

Give your fish fry the best possible start with this Floating Fish Breeding Isolation Box. Designed for freshwater aquarium enthusiasts, this transparent incubator box keeps delicate eggs and newborn fry safe, visible, and thriving — all while floating neatly inside your existing tank.

Why You'll Love It

• Crystal-Clear Visibility: The fully transparent PP construction lets you monitor fry development at a glance, without disturbing the tank environment.
• Smart Partition System: Built-in independent dividers keep adult fish separated from fry, preventing accidental contact and ensuring a secure nursery zone.
• Natural Water Circulation: Uniform side-wall perforations allow consistent water flow between the box and your main tank, maintaining stable water quality and temperature for healthy fry growth.
• Durable, Long-Lasting Material: Made from high-quality PP plastic, this breeder box resists warping and deformation over time, keeping your aquatic setup hygienic and safe.
• Multi-Purpose Use: Functions as a hatchery incubator, feeding station, fry nursery, or acclimation chamber — ideal for betta, guppy, angelfish, shrimp, and more.
• Easy to Clean: Smooth plastic surfaces wipe clean quickly, maintaining pristine water standards in your aquarium with minimal effort.

Specifications

What's in the Box?

• 1 × Breeder Box for Fish Tank (Round or Square — please select your preferred style)

Note: Slight color differences may occur due to display and lighting variations. Allow 1–3 cm measurement tolerance due to manual measuring.

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Learn more: U.S. Fish and Wildlife Service

Frequently Asked Questions

Q: What fish are best suited for this floating breeding isolation box?

A: This aquarium breeder box is ideal for betta fish, guppies, angelfish, and small shrimp. Its divider and perforated walls make it perfect for separating fry from adult fish in any freshwater tank setup.

Q: How does the breeder box maintain water quality inside the nursery compartment?

A: The side-wall perforations allow natural water circulation between the isolation box and your main aquarium, ensuring that temperature and water parameters remain consistent for healthy fry development — without requiring any electrical pump or additional equipment.

Q: Is this breeder box easy to set up and remove from the tank?

A: Yes! The floating design means it simply sits on the water surface inside your aquarium. No tools, suction cups, or drilling are required. It can be lifted in and out in seconds, making feeding, cleaning, and fry transfers very straightforward.

Q: What is the difference between the round and square versions?

A: Both versions offer the same core breeding and isolation features. The round box measures approximately 12 × 10 cm and weighs 146g, while the square box measures approximately 13 × 7 × 10 cm and weighs 136g. Choose based on your tank layout and personal preference.

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.