From Boulenger 1909, p.329: Depth of body 4 1/3 to 5 times in total length, length of head 3 ¾ times. Head much depressed, 1¼ to 1 1/3 times as long as broad, feebly striated and granulated on the occiput; occipital process in contact with inter-neural shield; snout truncate, projecting slightly beyond lower jaw, its length nearly 1/3 of head; eye 3 (young) to 5 times in length of head, ½ to 2/3 interorbital width; width of mouth 3 times in length of head; pre-maxillary band of teeth feebly curved, 4 to 6 times as long as broad; two short bands of vomerine teeth, separated by a narrow interspace; nasal barbel not 1/2 diameter of eye; maxillary barbel slightly longer than head; outer mandibular barbel about once and ½ as long as inner. Gill-rakers moderate, 17 on lower part of anterior arch. Dorsal I 6, 1 1/5 to 1 2/5 times as distant from root of caudal as from end of snout; spine a little shorter than head, smooth or feebly serrated behind; first soft ray longest, nearly as long as head. Adipose fin twice as long as deep, its base equal to that of rayed dorsal, from which it is separated by a space equal to 1½ to 2 times its length. Anal 12, 9 rays branched. Pectoral spine 2/3 length of head, strongly serrated on inner side. Caudal deeply forked; lobes long and pointed, outer rays 3 times as long as median. Caudal peduncle about twice as long as deep. Uniform brownish. Total length 440 mm.