The Aqua One Net Breeder provides a safe haven for sick, weak or pregnant fish, and is the perfect first home for fry (baby fish). It includes a special base unit to provide additional protection to newborn fry. Using the suction cup provided, it can be attached to any part of the aquarium. It's easy to assemble, and can be flat packed down for easy storage when not in use. Made from fine net material, it is lightweight, soft and easy to clean.Suitable for: coldwater, tropical freshwater and marine aquariums.