This species is distinguished by the following characters: gill opening moderately small, its diameter 8.8% of head length, close to but not against pectoral-fin base; head length 3.2 times in trunk length, 23.9 % preanal length (PAL); predorsal length 28.9 % PAL, trunk length 76.1 % PAL (more than 3 times the head length); preanal lateral-line pores 61; preanal vertebrae 63, precaudal 70; body lightly brownish dorsally and pale ventrally (Ref. 129617).