Figure 4From: Reproductive biology of female Nile tilapia Oreochromis niloticus (Linnaeus) reared in monoculture and polyculture with African sharptooth catfish Clarias gariepinus (Burchell)Length at L50 sexual maturity of female O. niloticus reared under monoculture (a) and polyculture (b) conditions.Back to article page