Diagnosis: Last unbranched ray of dorsal fin more or less flexible and without posterior denticulation; second mandibular barbel is well developed and ending at anterior side of operculum (Ref. 27628).

Description: Lateral line scales 26-32 (Ref. 13337, 122753); 28-32 scales on lateral line for specimens of Rwanda (Ref. 27628).

Colouration: Silver or yellow coloured on the flanks; a series of 4 to 7 black spots, more or less elongated, sometimes forming a black lateral band above the lateral line; mostly a second dark curved line under the lateral line (Ref. 27628).