Anterior nostril pierced on front side of a flap; processus dentiformis present; lower lip interrupted medially; lateral line complete; anus about 1-2 eye diameters in front of anal-fin origin; 8.5 branched dorsal-fin rays; 5.5 branched anal-fin rays; caudal fin emarginate, with 9+8 branched rays; axillary pelvic lobe present; Head broadly triangular; caudal peduncle 1.1-1.2 times longer than deep; cheeks mottled; top of head finely dotted; body yellowish with a broad faint grey midlateral stripe; 7-9 broad blackish brown bars on body, usually wider than interspaces, wider anteriorly than posteriorly, usually wider on lateral line and on dorsal midline and constricted in-between; black bar at caudal-fin base not reaching dorsal and ventral midline; a black spot above base of upper principal rays; dorsal fin with two low blotches along base (Ref. 36949).