194 



CHAEACINID^. 



branched ray longest, as long as or a little longer than head. Anal III 

 19-23 (usually 20-22). Pectoral as long as or a little shorter than head. 

 Caudal deeply forked, lobes pointed. Caudal peduncle l-j to If times as 

 long as deep. Scales with fine granulations and feeble radiating canals, 

 44-51, ~7n-^, 2 or 2-g- between lateral line and root of ventral. Silvery, 

 back dark grey or dark green ; a more or less distinct darker band may 

 extend along each side of the back ; lower lobe of caudal bright red. 



Total length 400 millim. 



Lower Nile to Like Albert; Lake Rudolf; Chad Basin; Senegal, 

 Gambia, Niger. 



