US Patent 7100535 System for rearing aquatic animals

A container 10 for rearing aquatic animals includes a floor portion 12 which defines a plurality of openings. A wall portion 100 bounds the floor portion 12 to form, together with the floor portion 12, a chamber for receiving the aquatic animals to be reared. A filter 105 is arranged in the openings of the floor portion 12. A closure plate 103 openably closes the openings in the floor portion 12. The invention extends also to a system which includes a plurality of the containers 10. The containers 10 are supported, in a partially immersed state in a vessel of the system. A circulating arrangement of the system circulates water through the containers 10.