Protect your fish fry. This well designed spawning incubator provides a protected area for pond fish to lay their eggs. It is 18" diameter and 18" deep and floats or can be anchored at any depth. Soft polyester net with polyethylene floating ring. When eggs are depositted you simply turn the incubator inside out to protect them from other fish and predators. Rinse throughly after spring use and you should get years of use from it.