This species has the following characters: possess a low but thick and distinct median crest extending from posterior part of interorbital space to above posterior preopercular margin; nuchal cirri absent; gill membranes connected with each other across the throat; head and body entirely naked. Colour after preservation brownish dark with ventral side of head and belly pale, entire head without dark spots or markings, side of body with several dark, ill-defined transverse blotches, with about 10 dark blotches on back, dorsal fin narrowly margined with white, distal part of spinous portion of the fin darker, soft part crossed by 7 ill-defined transverse dark bands which are continued from blotches on back, anal fin with pale ill-defined longitudinal band near base, distal part of membranes between anal fin-rays pale, membranes of caudal and pectoral fins are translucent, ventral fins dusky on dorsal side, paler on opposite side (Ref. 86946).