Floating Fish Breeder Box – Aquarium Hatchery & Isolation

Floating Fish Breeder Box – Safe Hatchery & Isolation for Aquariums

Give your fish fry the best possible start with this Floating Fish Breeder Box. Designed for guppies, bettas, shrimp, and other aquatic species, this versatile isolation box keeps vulnerable fry protected while maintaining healthy water flow and oxygen levels throughout your tank. Perfect for home aquariums, office tanks, and living room setups alike.

Key Features

• Double-Chamber Protection: The innovative dual-chamber design keeps adult fish separated from newborn fry, creating a secure, predation-free habitat that supports successful breeding cycles.
• Excellent Oxygen & Water Flow: A dense nylon mesh bottom promotes optimal oxygen dissolution and unrestricted water circulation, so fry thrive in a clean, well-oxygenated environment.
• Multi-Use Isolation Tool: Beyond breeding, use this box to separate territorial or aggressive species, maintaining a harmonious and peaceful aquarium ecosystem.
• Stable Floating Design: Engineered to float seamlessly on the water surface, the breeder box maintains its structure and functionality over extended use — no compromise on stability or safety.
• Easy Feeding Access: An accessible feeding area built into the floating structure streamlines daily care routines and minimizes disruption to your main tank environment.

Specifications

• Material: PP, EVA Plastic
• Small Size: approx. 14 × 8 × 8 cm / 5.51 × 3.15 × 3.15 in | Weight: 60g
• Large Size: approx. 15 × 10 × 10 cm / 5.91 × 3.94 × 3.94 in | Weight: 90g
• Power: Non-electric
• Made in Mainland China

What's in the Box

• 1× Floating Fish Breeder Box

Note: Due to different screen settings, colors may vary slightly from images. Please allow a 1–2 cm measurement difference.

Learn more: U.S. Fish and Wildlife Service

Frequently Asked Questions

Q: What fish species is this floating breeder box suitable for?

A: This floating fish breeder box is ideal for guppies, bettas, shrimp, and most small aquarium fish. Its double-chamber design and mesh bottom make it a great hatchery and isolation solution for a wide variety of freshwater aquatic species.

Q: Does the floating fish breeder box require electricity or a pump?

A: No — this breeder box is completely non-electric. It floats naturally on the water surface and relies on the tank's existing water circulation and the mesh bottom to maintain oxygen flow, making it effortless to set up and use.

Q: What size breeder box should I choose — small or large?

A: The small size (14 × 8 × 8 cm) is great for nano tanks or smaller aquarium setups, while the large size (15 × 10 × 10 cm) offers extra room for larger fry batches or multiple species isolation. Choose based on your tank size and breeding needs.

Q: Can I use this breeder box to separate aggressive fish?

A: Absolutely. This aquarium isolation box works excellently for temporarily separating territorial or aggressive fish from the rest of the tank, helping maintain a calm and balanced aquarium environment.

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.