A rearing device including a framework provided to be placed on a sea bed, at least one rearing enclosure internally delimiting a volume for receiving aquaculture animals, a connection connecting the at least one rearing enclosure to the framework, permitting a rotation of the at least one rearing enclosure with respect to the framework about at least one substantially horizontal axis of rotation, and a float device connected to the at least one rearing enclosure by a flexible connection of a length chosen such that, when the flexible connection is vertically tensioned, the float device is located in the intertidal zone.
