Introduction to african catfish hatchery set up and management. The sharptooth catfish clarias gariepinus henk stander, division of aquaculture, faculty of forestry and agricultural sciences, university of stellenbosch, office. During the breeding period, from may until august, the pituitary gonadotropin con tent reaches maximum levels. Aspects of the biology of clarias gariepinus in anambra. Artificial reproduction and pond rearing of the african catfish clarias. Breeding season, maturation, fecundity and condition factor of the african catfish clarias gariepinus burchell 1822 pisces. Pdf african mud catfish, clarias gariepinus is the most sought after farmed fish species in west africa whose commercial breeding is done using. Pdf breeding performance of clarias gariepinus obtained. The need to determine the environmental requirements of larvae was identified, mass rearing in order to. Pdf induced breeding of african mud catfish, clarias gariepinus. Its high fecundity, flexible phenotype, rapid growth, wide habitat preferences, tolerance to extreme water conditions and the ability to subsist on a wide variety of prey can devastate indigenous fish and aquatic invertebrate populations bruton, 1986. Catfish, clarias gariepinus, kept in subtropical utrecht university. The african catfish, clarias gariepinus, a model for the study of.
According to fao 2007, aquaculture continues to grow more rapidly than all other animal foodproducing sectors, with an average global. Breeding, performance, clarias gariepinus, nigerian waters i. They are found throughout africa and the middle east, and live in. Artificial propagation of african catfish clarias gariepinus. Clarias gariepinus in sub sahara n africa a handbook fao fisheries technical paper. Natural breeding cycles of different pulations of the african catfish, clarias gariepinus.
The first brood stock originated from the wild from 40 african catfish transferred from the central african republic hogedoorn and vismans, 1980. Clarias gariepinus has all the qualities of an aggressive and successful invasive species. Pronunciation of clarias gariepinus with 3 audio pronunciations, 1 meaning, 1 translation and more for clarias gariepinus. Ezenwaji 1981 however reported a yearly sex ratio of 1. In uganda, the development of clarias culture is more related to its use as baits for fishing in lake victoria. Breeding performance of clarias gariepinus obtained from. With respect to african catfish clarias gariepinus burchell 1822, the spe. Clarias gariepinus in subsaharan africa a handbook. The african catfish clarias gariepinus has been reared for almost 20 years in. Clarias gariepinus or african sharptooth catfish is a species of catfish of the family clariidae, the airbreathing catfishes. Generally, clarias gariepinus have mostly been used as policefish to control over breeding in mixedsex tilapia culture in earthen ponds. Induced breeding of african catfish clariasgariepinus. Pdf breeding season, maturation, fecundity and condition factor of. Introduction today, aquaculture is the worlds fastestgrowing foodproducing sector.
African catfish clarias gariepinus african catfish. View clarias gariepinus research papers on academia. More recently, with the development of balanced extruded feed, there has been a huge. Induced breeding of african mud catfish, clarias gariepinus. This study investigated the use of electricshock in inducing triploidy in african catfish clarias gariepinus. First report on successful triploidy induction in clarias.