🏡🏡🏡 Safe and Upgraded Design: Made of High quality cell cast crystal acrylic with inner size of 3.9" x 2.7" x 2.3", Exquisite workmanship, Safe and secure for breeding, isolating or acclimating fish, favorable vents allow optimum water flow and easy to observe your baby fish. 🏡🏡🏡 Must-have for pregnant fishes: This fish breeder is a Hatchery for viviparous fish, such as bettas, guppies, medaka, ect, can protect new born fry from being eaten, improve the survival rate of juvenile fish. 🏡🏡🏡 Multi-functional: This breeder box for fish tank comes with self-contained isolation plate, can reduce danger from aggressive fishes, protect injured fish, small fish, shrimp, and other sea clownfish 🏡🏡🏡 Space-saving & Self-floating: This fish isolation box can be secured to the aquarium wall with the suction cups. 2-layer combination does not occupy space.the grating in the bottom prevents soiling of the box by food residues and excrement. 🏡🏡🏡 Easy Operation: 3 mins assembly / disassemble for cleaning. (First time may take about 10 mins to remove protection layers from acrylic). Removable divider customize size and number of chambers for different needs