West African Journal of Fisheries and Aquatic Sciences (WAJFAS) is a publication of the Department of Marine Sciences, University of Lagos, Nigeria and Nigerian Institute for Oceanography and Marine Research (NIOMR), Nigeria. The journal considers original research and review papers on any subject of Fisheries and Aquatic Sciences for publication, particularly those of relevance to Aquaculture and Mariculture, Fish Breeding and Genetics, Fish Diseases and Parasitology, Fisheries Biology, Fisheries Hydography, Hydrology and Limnology, Capture Fisheries, Fishing Gear and Craft Technology, Fisheries and Management, Fisheries Economics, Statistics and Extension, Ecology, Biodiversity, Conservation and Aquatourism, Aquatic Productivity and Planktology, Fish Nutrition and Feed Technology, Postharvest Technology, Seafood Safety and Quality Assurance systems, Aquatic Pollution and Toxicology, Marine Geology and Geophysics, Physical, Chemical and Biological Oceanography.