Petrocephalus stuhlmanni Boulenger 1909

From Boulenger (1909):

Depth of body equal to length of head, 3 1/4 times in total length. Head slightly longer than deep, with convex upper profile; snout very short, 1/5 length of head, rounded, strongly projecting beyond mouth; mouth below eye, its width 1/4 length of head; teeth bicuspid, 12-16 in upper jaw, 20-24 in lower; eye rather large, as long as snout, about 3/5 interorbital width. Dorsal 20-22, originating above 5th ray of anal, its length hardly half its distance from head. Anal 25-29, a little nearer base of ventrals than base of caudal. Pectoral pointed, 2/3 length of head, nearly twice as long as ventral and extending beyond base of latter. Caudal with pointed lobes. Caudal peduncle hardly more than twice as long as deep, 2/3 length of head. 35-38 scales in lateral line, 9/13 in transverse series on body, 10/9 in transverse series between dorsal and anal, 12 round caudal peduncle. Silvery, back dark brown.