J-star Large Aquarium Fish Breeder Box Fish Seperator, Fish Hatchery Incubator Shrimp Breeding Box Fish Nursery for Aquarium Baby Fish Holder.

The breeder box can be used as spawning box for betta, guppy, etc. The fish isolation box can prevent small fish from attacking and improve the survival rate of fish.
High-quality transparent materials, durable. Can safely and reliably breed, isolate or adapt to fish. Crystal transparent body. It's easy to observe the females giving birth.
Space-saving and can float automatically, this acrylic isolation box can be fixed on the aquarium wall by suction cup. The two-level combination does not take up space.
Perfect isolator for aggressive fish, injured fish, small fish, shrimp and other marine fishes. Fishes such as Betta, Guppy, Killifish, Clownfish and other small fishes.
No need to open the cover when feeding because of the design with a feeding hole on the top. The suctions cup is made with Environment-friendly materials, better adsorption.