The Freshwater Fishes of South Africa. 



50:; 



origin of anal. Anal iii 8-10 ; 3rd spine a little shorter but stronger 

 than last dorsal spine. Caudal rounded or subtruncate ; caudal 

 peduncle as long as deep or a little deeper than long. Scales cycloid, 



27-29 2 ^ ; lateral lines l -^. 



y 11 ' ifj,fl 



Colour (of preserved specimens) light or reddish brown to dark olive 

 brown, the scales sometimes with greenish-yellow margins ; young 

 with 7 to 9 dark cross-bars, which may persist, though feebly mai'ked, 

 in the adult; a blue-black opercular spot; dorsal, anal and caudal 

 fins with dark spots or oblique dark and light stripes ; a large blackish 



FIG. 130. Tilapia sparrmani. 



spot at base of soft dorsal between anterior rays ; caudal sometimes 

 with dark spots between the rays; outer ventral rays often darkish. 



Two specimens, 98 mm., 108 mm. respectively, from Griqualand 

 West (T. H. Open). 



One specimen, 103 mm. in length, from a pool in Bulawayo, 

 Rhodesia. Bulawayo Museum. 



One specimen, 103 mm. in length, from Kafue River, Rhodesia. 



One specimen, 38 mm. in length, from Dry Hartz River, Vryburg, 

 Bee huan aland. 



One specimen, 103 mm. in length, from Kuruman, Bechuaualaiid 

 (R. Moffat). 



Six specimens, ranging from 74-92 mm. in length, from Wondergat, 

 near Mafeking. 



