Dr.Mubarak Eisa Abdel-Rahman Tibin is Head of Department of Fisheries Science, College of Natural Resources and Environmental Studies, University of Bahri,sudan. He is a member of Member in Asian fisheries Society,Fisheries of Experts and Member of team of UNESCO and Chair in Water Resources (Omdurman Islamic University).Dr. Mubarak obtained his Ph.D. (Aquaculture Nutrition) at Faculty of fisheries and Aqua-Industry, Universiti Malaysia Terengganu (UMT), Malaysia