Upspirit Young Fish Breeding Box Tank for Fish Transparent Plastic Fish Breeder Box Fish Egg Hatchery Young Fish Isolation Box Upspirit Young Fish Breeding Box Tank for Fish Transparent Plastic Fish Breeder Box Fish Egg Hatchery Young Fish Isolation Box. 100% Brand new Young Fish Breeding Box. Unique transparent cover design, preventing fish jumping out of the box. With two strong suction cup, easy to set up and avoid the breeding box dropping off the large fish tank. Prevents adult fish attack so as to improve the survival rate of juvenile fish. Isolation function: can isolate aggressive fish, injured fish or small fish. Self-floating and hang-on style design,exquisite. Double deck combination does not occupy space. Provide the Liverbearers,such as Guppy,Killy fish to spawn.Avoid the adult fish's attack and increase the rate of livability. For Betta rearing and aggressive,injuried fish.For samll fishes,shrimp,marine fishes rearing.