(Family):Three lowermost pectoral rays free. No barbel on lower jaw. (Genus):No spinous plate on both sides of dorsal fin base. Dorsal spines usually 11. No scales on opercular membrane. (Species):Length of rostral exsertion longer than its basal width. No preocular and supraocular spines. A blunt triangular projection present on postocular region. Preopercular spine without supplemental small spine at its base. Tip of opercular spine not extending beyond cleithral spine. Posterior end of posttemporal rounded, not spinous. Orbit diameter 24〜25% of HL. Interorbital width 59〜70% of orbit diameter. First dorsal spine filamentous, its tip reaching caudal fin base. No scale between posterior end of pelvic fin base and median of abdomen. Radial dark streaks on dorsal 1/3 of eye.