Ikpegbu, .E., Ezeasor, .D., Nlebedum, .U., Nwogu, .C., Nnadozie, .O. y Agbakwuru, .I. 2012. Morphology of the oropharyngeak cavity and oesophagus of the farmed adult African catfish (Clarias gariepinus Burchell, 1822). Analecta Veterinaria. 32, 2 (dic. 2012), 17–23.