Acrylic Fish Breeding Isolation Box – Betta & Tropical Fish

Acrylic Fish Breeding Isolation Box – Safe Haven for Fry & Tropical Fish

Create a safe, stress-free environment for your fish with this premium Acrylic Fish Breeding Isolation Box. Whether you're breeding betta fish, guppies, peacock cichlids, or other tropical species, this versatile breeder box keeps vulnerable fry and injured fish protected while remaining fully integrated with your main aquarium's water supply.

Why You'll Love This Breeding Box

• Protects Newborn Fry: Shields delicate baby fish from larger or aggressive tank mates, giving them the best start in life.
• Unique Floating Configuration: Comes with 2 suction cups for rock-solid stability inside your tank, or simply let it float — your choice! Saves valuable aquarium space without disrupting your aquatic setup.
• Three Size Options (S / M / L): Choose the size that fits your aquarium perfectly. All three sizes feature a smooth, easy-to-clean design ideal for nurturing small fry.
• Multifunctional Bottom Separator: Removable partitions and a small groove make this box perfect for aggressive or recovering fish. The separator doubles as a filter tray or feeding station, meeting all your breeding needs in one unit.
• Tool-Free Installation & Easy Cleaning: Snap it in and out in seconds — no tools required. Side vents maintain excellent water circulation without the need for additional heaters or air pumps.
• Adjustable Scale Plate & Dual Handles: Quickly resize and reposition the box to accommodate different fish sizes and tank configurations.

Product Specifications

What's in the Box

• 1 × Acrylic Fish Breeding Isolation Box (size as selected)

Perfect For

• Betta fish breeding & isolation
• Guppy & livebearer fry nurseries
• Peacock cichlid & tropical fish hatcheries
• Quarantining injured or sick fish
• Feeding station for smaller or timid fish

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Learn more: U.S. Fish and Wildlife Service

Frequently Asked Questions

Q: What fish species is this acrylic breeding box suitable for?

A: This fish breeding isolation box is designed for a wide range of freshwater tropical fish, including betta fish, guppies, peacock cichlids, mollies, and other livebearers or egg-laying species. It is also ideal for isolating injured or aggressive fish of any species.

Q: Does the breeding box require an external pump or heater to maintain water quality?

A: No additional equipment is needed. The box features built-in side vents that allow natural water flow and exchange with your main aquarium, keeping water temperature and quality consistent without the need for extra heaters or air pumps.

Q: How do I install and remove the fish breeding box from my aquarium?

A: Installation is completely tool-free. Simply attach the included 2 suction cups to the inside wall of your tank, or allow the box to float freely. Removal is just as easy — no special tools or equipment required. The adjustable handles and scale plate make repositioning quick and hassle-free.

Q: Which size should I choose for my aquarium?

A: Choose Size S (12.5×7×7 cm) for nano tanks or very small fry, Size M (13×7.1×10 cm) for standard community tanks, and Size L (20.5×9.5×9.9 cm) for larger aquariums or bigger fish. All sizes are designed to hang inside the tank without disrupting your aquatic space.

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.