Journal of Biology and Life Science ISSN 2157-6076 2020, Vol. 11, No. 1 36 Growth and Body Development of Oreochromis niloticus (Linnaeus, 1758) Fattened in Floating Cages Based on Commercial Feed in Benin Géoffroy Olayèmi Edea (Corresponding Author) Department of Science and Animal Production, Laboratory of Biotechnology and Animal Improvement, Biomedical Institute of Applied Science, Doctoral College of Life and Earth Sciences, Faculty of Science and Technology, University of Abomey-Calavi, 01 P.O. Box 526, Cotonou, Benin. E-mail: edeaolayemi@gmail.com; Phone: +229 94 76 49 01 / 66 69 14 57 Lambert Cloud Hinvi Department of Science and Animal Production, Laboratory of Hydrology and Aquaculture (LHA), Faculty of Agricultural Sciences, University of Abomey-Calavi (UAC), Benin E-mail: copprapp@yahoo.fr; lambert.hinvi@fsa.uac.bj; Phone: +229 66 26 28 03 Youssouf Abou Department of Zoology, Laboratory of Ecology and Management of Aquatic Ecosystems, Faculty of Science and Technology, University of Abomey-Calavi, 01 P.O. Box 526, Benin E-mail: y_abou@yahoo.com; Phone: +229 95 42 27 75 / 65 95 46 66 Armand Bienvenu Gbangboche Department of Science and Animal Production, Laboratory of Biotechnology and Animal Improvement, Biomedical Institute of Applied Science, Faculty of Agricultural Sciences – University of Abomey-Calavi, Cotonou, Benin College of Management and Exploitation of Livestock Systems –National University of Agriculture – 01 P.O. Box 43 Campus of Ketou – Republic of Benin. E-mail: gbangboche_ab@hotmail.com; Phone: +229 96 11 47 27 Received: August 13, 2019 Accepted: September 23, 2019 doi:10.5296/jbls.v11i1.15259 URL: https://doi.org/10.5296/jbls.v11i1.15259