Extra Large Peacock Fish Double Layer Transparent Breeding Isolation Box Aquarium Breeding Box 1. Can be used as a spawning box for fecund fish, such as fighting fish, peacock fish, medaka, etc. 2. It can prevent adult fish from attacking and improve the survival rate of juvenile fish. 3. Provide isolation for aggressive fish, injured fish, small fish, shrimp and clown fish in seawater 4. Self-floating design, can be moved anywhere, will not sink, double-layer combination, does not occupy space 5. High transparency plastic, durable 6. Crystal-clear box, you can watch the mother fish spawning or fish fighting, no obstruction, adding fun 7. Suction cup wall-mounted design, easy to fix 8. Transparent plastic cover to ensure that the fish will not jump out, with double round holes, convenient for feeding 9. The left and right sides and the bottom of the box have a 1mm gap to ensure the flow between the water in the box and the water in the fish tank to prevent large fish from entering and protect the small fish 10. Material: PS 11. Size: small about 8 x 7 x 11cm, large about 10 x 7 x 13cm, extra large about 18 x 8.5 x 15.5cm 12. Weight: small size about 99g, large size about 138g, large size about 328g