Fish farming in Zambia Due to the increase in demand for fish and fish proteins, fish farming has become an alternative. Fish farming is the principal form of aquaculture. Fish farming involves raising fish commercially in tanks or enclosures, usually for food. You will find a number of companies listed on this site that raise and sell fish for consumption. The likes of tilapia, bream, barbell and kapenta are sold on wholesale and on retail prices. Fish farming is an exciting area of development and technology that helps protect from overfishing the rivers of Zambia. Find the leading producers of fresh tilapia fish in Zambia here.