Control apparatus intended to automatically keep aquaculture longlines of shellfish culture and fish aquaculture cages in seawater or fresh water at a depth determined by relevant management; equipment for weighing, measurements, transmission of signals, analysis, testing, surveillance, rescue and teaching; apparatus and equipment to conduct, turn-on and turn-off, change, accumulate, fine-tune or control distribution or use of electricity; digital or analog data mediums for recording and stor...