Zeroyoyo Transparent Plastic 4in1 Floating Fish Hatchery Trap Fry Breeding Aquarium Tank Box 18 X 9.5 X 9.5cm Size: 18 * 9.5 * 9.5 CM;Material: Plastic ; Color: Transparent With sucker, anywhere convenient fixed in the tank. It is a Hatchery for viviparous fish, such as bettas, guppies, medaka, ect. It can Prevent attack from adult fish, improve the survival rate of juvenile fish. It can Separate aggressive fish, injured fish, small fish, shrimp, and other sea clownfish. Quantity: 1pc