Agri Kultuur January/ February 2015 | Page 46

Henk Stander Stellenbosch University Aquaculture Division, Department of Animal Sciences “Give a man a fish and you feed him for a day; teach a man to fish and you feed him for a lifetime.” Maimonides T ilapia is a freshwater fish species of the family Cichlidae, which is widely distributed in the world. Tilapia is also identified under a number of different generic names; it can be called “carpe” in West Africa, “St Peter’s Fish” in Israel, “bream” in southern Africa, “mojarra” in Latin America and, of course, under many different local names like “chumbo” in Malawi. Tilapia is widely believed to be the fish Jesus fed to a congregation of more than five thousand. The fish is extremely hardy, easy to grow and, when stocked in fish ponds, will survive without much care. These tough Tilapia Production System creatures have adapted to many different environments. Tilapia was originally considered for aquaculture as a means of producing cheap protein as well as the species’ readiness to breed in almost any type of water body, being omnivorous and hardy enough for fish farming. Today, tilapia has become one of the most common farm raised fish in the world, second only to carp in terms of total production. Tilapia is being touted as the major aquaculture resource for the future. Classification and Natural Distribution: Taxonomy, or the arrangement of animals into characteristic groups Tilapia dam inside tunnel to aid in their identification, is a complex subject and can become extremely detailed. It is sufficient here to note that tilapia belong to the family Cichlidae which are the largest fish family in Africa with about 900 species described and many more still to be described. This family is characterised by all its members being bilaterally compressed and all having only one pair of ‘nostrils’ whereas most other bilaterally compressed families have two pairs. Tilapia is endemic to Africa, Jordan, and Israel, where more than 110 species have been identified. However, relatively few species are commercially important, and Tilapia Production System