KINNERET

0

BAROTSE

I

KAFUE KAFUE (2)

r;

VICTORIA

0246810

Age in years

Figure 4. Comparison of tilapia growth rates in various natural waters (for sources of data see text). Nilotic species: Saro-
therodon niloticus (N), S. galilaeus (G), S. aureus (Au), Tilapia zillii (Z), from Lakes Kinneret (Israel), Mariout (Egypt) and
Chad. Zambezi species: S. andersonii (A), S. macrochir (M), T. rendalli (R), from Barotse and Kafue floodplains. Lacustrine
species: S. lidole (L), S. saka (K), S. shiranus (Sh) from Lake Malawi; S. esculentus (E), S. variabilis (V) from Lake Vic-
toria. Male and female curves are shown separately for Kafue (2) and for S. mossambicus from Lake Sibaya (S. Africa) and
Plover Cove Reservoir (Hong Kong).