Aquaculture workers perform routine tasks in breeding and raising fish and other aquatic stock. Tasks can include feeding and grading fish, monitoring their growth, assisting with farm layout and constructing nets, long-lines and cages, checking and looking after equipment and fish housing, operating pumps and other equipment, testing and checking on water quality, removing dead and dying fish, operating lifting equipment such as forklifts and small cranes, harvesting fish and sorting and packing for transportation, restocking pens, pools, tanks, ponds, rivers and dams with juvenile fish, collecting and recording growth, production and water quality data.