Map of the study area. Saint-Louis, Kayar, Dakar (consisting in Yoff, Ouakam, Soumbédioune, Maritime Port of Dakar and Hann), Mbour, Joal, Djifer and Kafountine are landing ports covered by CRODT statistical information system. Maritime areas refer to the zoning used for the industrial fishery. Gambian EEZ was not taking into account in the study, neither were Mauritanian EEZ and Bissau Guinean EEZ.