from Boulenger 1909, p.69:
Depth of body 5 to 5 2/3 times in total length, length of head 5½ to 6½ times. Head once and 1/4 as long as deep; snout convex, 1/4 length of head, slightly projecting beyond mouth; latter small, its width 1/5 length of head; teeth feebly notched, 5 in upper jaw, 6 in lower; nostrils nearly equally distant from end of snout and from eye, anterior on a level with centre of latter, posterior with its lower border; eye about 2/3 length of snout, 2/5 or ½ interorbital width. Dorsal 14-16, originating above 16th or 17th ray of anal, its length about 1/4 its distance from head. Anal 31-33, 2 to 2½ times as long as dorsal, nearer base of caudal than base of ventral. Pectoral obtusely pointed, a little shorter than head, once and f length of ventral, reaching base of latter. Caudal with pointed lobes. Caudal peduncle 3 to 3½ times as long as deep, nearly as long as head. 60-66 scales in lateral line, 9 /10-11 in transverse series on body, 6-7 / 6-7 between dorsal and anal, 12 round caudal peduncle. Purplish brown, more or less profusely speckled with blackish; fins dark brown.
to 145 mm.
Lower Niger