The device for rearing aquaculture animals at sea including at least one stack of rearing enclosures superimposed on top of each other in a longitudinal direction, and blades linked to the rearing enclosures and arranged such that the rearing enclosures are rotated around a longitudinal axis by the sea current； the rotation combined with the inclination of the longitudinal axis produced by the current causes the animals to roll against each other in the enclosures during periods of strong current.
