The Underwater Treasures Multi-Use Breeder is an easy to assemble, multi-purpose chamber. It is ideal for separating pregnant females from other tankmates, protecting new-born fry from potential predators, isolating injured of aggressive fish, and more! Includes 4 suction cups for convenient placement anywhere inside your aquarium. 7.9″ x 3.9″ x 3.9″. 7.9″ x 3.9″ x 3.9″