A feeding, control and command submersible platform intended to perform the functions of feeding distribution, control of production and command of operations inherent to fish farming in submersible cages, which presents a trunk of cylinder or trunk of prism general shape, said platform comprising: a vertical central structure, which constitutes an axial core structure of the platform, and in which there are arranged, at least a vertical auger screw distributor (27, 22) or at least another conveyor device, a function distribution zone, a ration arriving container, a ration mixing container in the interior of which is mixed the ration with the seawater, said ration mixing container containing submerged pumps intended to boost the water which drives the ration to the cages, said vertical central structure further comprising a space which is part of a ballasting central chamber (26, 52), a ration loading container; an upper structure comprising, around the vertical central structure, cabins for housing equipments, ration grain tanks with respective conveying (33, 34) and dosage screw conveyor devices (38, 39), a ballastable circulating corridor, which surrounds the cabins and the grain tanks, and an outer circulating and mooring space for service vessels; the vertical central structure comprising, from top to bottom, a function distribution zone, to which follows in an immediately lower position, the ration mixing container and, in the lower position, the space, in which are located a lower segment of the vertical auger screw conveyor, the ration loading container and end segments of auger screw conveyors which convey the ration from several ration silos to the ration loading container; a lower structure comprising, around the vertical central structure, the several ration silos, the ballasting central chamber, at least a solid ballast container, several loading containers, wherein the several ration silos comprise several containment vertical grids of several ballasting and deballasting arrangements comprising ration consumption compensating bags which can be emptied by pumps disposed inside the ration storage silos; and a mooring arrangement, comprising several mooring buoys anchored at the bottom of the sea by means of hanging ropes and mooring ropes, said hanging ropes and mooring ropes being connected to each other at respective junction points by ropes, the platform being moored by means of mooring ropes to said junction points, and said platform and said buoys being interconnected by pipes and wirings for supplying air and electric power from said buoys to said platform. a vertical central structure, which constitutes an axial core structure of the platform, and in which there are arranged, at least a vertical auger screw distributor (27, 22) or at least another conveyor device, a function distribution zone, a ration arriving container, a ration mixing container in the interior of which is mixed the ration with the seawater, said ration mixing container containing submerged pumps intended to boost the water which drives the ration to the cages, said vertical central structure further comprising a space which is part of a ballasting central chamber (26, 52), a ration loading container; an upper structure comprising, around the vertical central structure, cabins for housing equipments, ration grain tanks with respective conveying (33, 34) and dosage screw conveyor devices (38, 39), a ballastable circulating corridor, which surrounds the cabins and the grain tanks, and an outer circulating and mooring space for service vessels; the vertical central structure comprising, from top to bottom, a function distribution zone, to which follows in an immediately lower position, the ration mixing container and, in the lower position, the space, in which are located a lower segment of the vertical auger screw conveyor, the ration loading container and end segments of auger screw conveyors which convey the ration from several ration silos to the ration loading container; a lower structure comprising, around the vertical central structure, the several ration silos, the ballasting central chamber, at least a solid ballast container, several loading containers, wherein the several ration silos comprise several containment vertical grids of several ballasting and deballasting arrangements comprising ration consumption compensating bags which can be emptied by pumps disposed inside the ration storage silos; and a mooring arrangement, comprising several mooring buoys anchored at the bottom of the sea by means of hanging ropes and mooring ropes, said hanging ropes and mooring ropes being connected to each other at respective junction points by ropes, the platform being moored by means of mooring ropes to said junction points, and said platform and said buoys being interconnected by pipes and wirings for supplying air and electric power from said buoys to said platform.