SAFE HOUSE FOR YOUR FISH: The fish hatchery isolation box works wonderfully for preventing adult fish attack so as to improve the survival rate of baby fish. The W-shaped divider in the middle allows the new born fry to fall to the bottom chamber away from mother to safety. It also doubles as a safe-house for wounded fish or to segregate aggressive fish from the community DOUBLE LAYER COMBINATION: The fish aquarium hatchery box features innovative double layer isolation design with two separate areas for expectant fish and segregated bottom compartments that safely collect and protect falling fry. The tiny side and bottom vents ensure optimum water circulation to ensure healthy growth of newborn fishes PRACTICAL AND CONVENIENT: Made of durable acrylic material with crystal like transparency, the fish hatching incubator allows you to observe the mother fish and baby fishes easily and freely. You can feed the fishes through the two holes on the top cover without removing it so as to prevent fishes from getting out of the breeder box MULTIPLE USES: The aquarium breeder box works wonderfully for isolating aggressive fish, injured fish, small fish, shrimp and other marine fishes, best suited with live-bearing viviparous fishes such as guppies, platties, mollies and swordtails. The versatile incubator box can also be used for displaying betta (Siamese fighting) fish EASY INSTALLATION: The package comes with strong rubber suckers for the fish hatchery isolation box to attach firmly to the side of aquarium, both convenient and space-saving. With the flexible floating design, you can adjust the position of isolation box wherever you want Material: Acrylic Color: Clear Size: 18 * 15.5 * 8.5 cm / 7.1 * 6.1 * 3.3 in Package includes:1 * Fish hatchery breeding box