From Boulenger, 1909.
Depth of body 3 to 3 1/4 times in total length, length of head of to 4 times. Head a little deeper than long; snout rounded, 1/5 to 1/4 length of head, projecting very slightly beyond mouth; latter small, its width 4 to 4 1/2 times in length of head; teeth truncate or feebly notched, 9 in upper jaw, 10 in lower; anterior nostril halfway between end of snout and eye, on a line with centre of latter, posterior lower down and close to the eye; eye large, 4 to 4 1/2 times in length of head, 1 1/3 to 1 1/2 times in interorbital width. Dorsal 23-25, originating above 5th to 7th ray of anal, its length about 1/2 its distance from head. Anal 28-29, equally distant from root of ventral and from root of caudal, or a little nearer latter. Pectoral pointed, as long as or a little longer than head, twice as long as ventral, the extremity of which it reaches. Caudal with long pointed lobes. Caudal peduncle 3 to 3 1/2 times as long as deep, 3/5 to 2/3 length of head. 50 scales in lateral line, 15/18 in transverse series on body, 9-10 / 11 between dorsal and anal, 12 around caudal peduncle. Olive-brown, speckled with black; fins blackish. Total length 100 millim.