Cage fish farming in sea and open water, Pond fish farming, pen culture, Biofloc fish culture, Ornamental fish breeding and culture, seaweed farming, lobster fattening, crab fattening, Oyster and mussel farming, small scale unit for seed production of food fish and growout culture, etc.
The ICAR-Central Marine Fisheries Research Institute (ICAR-CMFRI), Kochi has extended support to Athidhi Achuth, a trans person belonging to the Scheduled Caste community from Kerala, to turn entrepreneur in fisheries.