Aquaculture workers breed and raise fish and cultivate mussels, oysters and other forms of aquatic life, for sale or delivery on a regular basis to wholesale buyers, marketing organizations or at markets.
(a)   Tasks include -
breeding, raising and cultivating fish, mussels, oysters and other forms of aquatic life as cash crops or for release into freshwater or saltwater;
collecting and recording growth, production, and environmental data;
conducting and supervising stock examinations in order to identify diseases or parasites;
monitoring environments to ensure maintenance of optimum conditions for aquatic life;
directing and monitoring trapping and spawning of fish, egg incubation, and fry rearing, applying knowledge of management and fish culturing techniques;
cleaning, freezing, icing or salting catch on- or offshore and preparing fish and other products for shipment;
maintaining buildings, tanks, machinery, boats and other equipment;
delivering or marketing products;
renting or investing in buildings, equipment and machinery and purchasing food and other supplies;
supervising and training aquaculture and fish hatchery support workers.