1. Aquarium breeding box can effectively prevent adult fish or big fish from attacking baby fish to improve survival rate. And it also creates a safe house for wounded fish or other small fish from attacking! 2.Fish breeder box is made of soft polyester net, tough, safe and durable. The fine mesh design can prevent baby fish from swimming out to protect them well. And it also ensures the water circulation, providing a comfortable environment for them! 3. Breeding net is very convenient for you to observe and feed the fish. Transparent net can make you observe the fish in it very clearly. And you can put fish feed into the fish nursery tank directly, very convenient! 4. Breeding tank for fish is very easy to use and clean! It has 4 suction cups which can attach to the aquarium firmly! You can adjust its position as you want freely. And it is also very easy to clean and reusable, very convenient and practical! 5. Fish nursery box can isolate the wounded fish, aggressive fish, small fish, baby fish, shrimp and other marine fishes well. Great for aquarium and fish tank use!