Clean Seas Seafood Limited operates in the aquaculture industry in Australia and internationally. It operates through two segments, Finfish Sales and Tuna Operations. The company engages in the propagation, husbandry, harvesting, and marketing of Hiramasa yellowtail kingfish; and production and sale of fingerlings, mulloways, and tuna. It is also involved in the research and development activities for the production of southern Bluefin tuna. The company was incorporated in 2000 and is headquartered in Port Lincoln, Australia.