Ichthyologists have identified about 32943 species of fish from Asia including 905 from Pakistan. In Pakistan, folk uses of animals have rarely been reported, particularly to alleviate human and veterinary problems. Fishes are important because these are used as; pollutant indicator, ethnomedicinally, educationally, commercially, culturally, and biological control. Fisheries have succeeded in discovering fast-growing fish that can adjust to the changing weather. Aquaculture grows very quickly and supplies the globe with high food quality especially protein. The fastest aquaculture expansion occurred in the aftermath of 1970 as a result of improved fish breeding technology and fish hatchery development. As compared to other animal food production industries, aquaculture has the highest yearly average increase of 8.8 percent a year since 1970. In all, the aquatic food production of fish, molluscs, crustaceans and other aquatic species was 3.9%, and 27.2% in 2001, 33% in 2004, respectively.