This species is distinguished by the following characters: body slender, BD less than head depth and 3.5 or more in the SL, large head, 3.5 or less in the SL; large eye, with diameter less than 3 in HL; very short anterior dorsal fin rays, length about 1/2 of eye diameter; four ocular-side pectoral fin rays; six paired abdominal vertebrae parapophyses; lateral-line canals

of the head considerably reduced; trunk canals absent on both sides of body; caudal rays branched except two uppermost and two lowermost simple, scales minute.