Dr. Mustapha HASNAOUI is a Professor of Biology and Environment at Sultan Moulay Slimane University in Beni-Mellal, Morocco. He obtained his Ph.D in Biology/aquaculture (2001) from Cadi Ayyad University in Marrakech, Morocco. He was promoted to Full Professor in 2014. He is Research Director and Director of the Environmental, Ecological and Agro-Industrial Engineering Laboratory in the Department of Biology, Faculty of Science and Technics in Béni-Mellal. He directs various researchs on hot, cold and marine water fishs in collaboration with national and international institutions. Since April 2016, he is editor-in-chief of the Journal of Water and Environmental Sciences (JWES). He serve as member of editorial board for several international journals working on Environment and climate change.