A comparative assessment of the health status of feral populations of Clarias gariepinus from three dams in the Limpopo and Olifants river systems, Limpopo province, South Africa, using the fish health assessment index protocol. - Madanire-Moyo, GN; Luus-Powell, WJ; Jooste, A; Olivier, PAS (African Journal of Aquatic Science, 2012)