Economic performance of cage fish farming

Mariculture has the potential to augment production and incomes through coastal as well as open sea farming. The global aquaculture production increased by about 25 times in the last 30 years when compared to only seven times increase in capture fisheries production during the corresponding period. Mariculture systems include in-shore and off-shore and maintain a constant high saline water conditions. In-shore mariculture systems include clams, oysters and other molluscs, which are wild-caught or hatcheryreared seed grown on the sea floor or on suspended nets, ropes, or other structures. Off-shore mariculture refers to large intensive fisheries in off-shore fish pens