African manatee in both coastal areas and isolated inland areas, genetic evidence suggests no significant differences between the two populations. The African manatee falls under the genus "Trichechus" with only two other species, the Amazonian manatee and the West Indian manatee, which are also sirenians. African manatees can be found in West African regions: Angola, Benin, Cameroon, Chad, the Republic of the Congo, the Democratic Republic of the Congo, Côte d'Ivoire, Equatorial Guinea, Gabon, The Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone, and Togo. Manatees are found in brackish waters to freshwater: in oceans, rivers, lakes, coastal
Science and technology in Benin achieved universal primary education and half of children attended secondary school (54.2%). There was also a relatively high enrolment rate in tertiary education (12.4%), which was comparable with the rate in Ghana (12.2%) and second only to the subregional leader for this indicator, Cabo Verde (20.6%). The number of tertiary students more than doubled between 2006 and 2011 from 50,225 to 110,181. These figures cover all levels of tertiary education: post-secondary non-degree programmes, bachelor's and master's and PhD programmes The research sector has had little impact on technological progress in Benin and the rest of West Africa. Apart from obvious