About 12 dorsolateral dark saddle marks (indistinct posteriorly), the first starting at the predorsal area; third and fifth saddle marks darkest; each saddle broad, separated by narrow bands of pale pigmentation; black stripe of pigmentation along outer third of entire anal fin; lips of upper and lower jaws very thick, heavily papillated; ventral surface of head and lower jaw naked; small oval dermal window of light organ separated from anus by 2-3 scale rows; barbel long, 21.9-26.5% HL; mouth large with upper jaw 36.4-41.2% HL; pyloric caeca numerous, 111-115 (Ref. 26363).