The Biology and Culture of Tilapias

Distributions of T. sparrmanii and T. rendalli overlap markedly, but the

former is more southern, while the latter reaches north to the edges of the

equat.aria1 basin.

Figure 2a. Mouthbrooding tilapias: natural distribution and introductions of S. niloticus

(genus Sarotherodon), S. macrochir, S. schwebischi, S. lepidurus and S. upembae.

DISTRIBUTION OF T. GUINEENSIS, S. MELANOTHERON
AND S. MOSSAMBICUS

These very euryhaline species have a wide distribution, the first two on

the western (e.g., Baron 1974), the third on the eastern coast. They can

move from one estuary to the next, especially 'during floods.

It is particularly noteworthy that the macrophagous substrate-spawning