Geographical Distance and Genetic Differentiation of Some Populations of Tilapia guineensis (Bleeker, 1862) in Nigerian Coastal Waters

Esther Adaku Ukenye, Nigerian Institute for Oceanography and Marine Research, Victoria Island, Nigeria, Idowu A Taiwo, University of Lagos, Cell Biology and Genetics, Lagos, Nigeria and Patricia E. Anyanwu, Nigerian Institute for Oceanography and Marine Research Lagos, Aquaculture, Lagos, Nigeria