Easy Maintenance: Detachable box, easy to disassemble and clean Versatile Isolation Box: Unique covering, fish jumping out Can be used as the spawning box for the viviparous fishes Especially great for aggressive fish or injured fish A must-have separating hatchery for pregnant fish, protecting new born fish from being attacked, improving the survival rate of newborns fish Space-Saving: Fix tightly to the inside of the for fishtank with hook Floating, double box combination, saving space Creates a safe and secure breeding box for while monitors your baby fish easily