Figure 6From: Reproductive biology of female Nile tilapia Oreochromis niloticus (Linnaeus) reared in monoculture and polyculture with African sharptooth catfish Clarias gariepinus (Burchell)Relationship between absolute fecundity and ovary weight of O. niloticus reared under monoculture (a) and polyculture (b) system.Back to article page