Anterior nostril pierced on front side of a flap; processus dentiformis present; median notch in upper lip absent or very small, lower lip interrupted medially; shallow median notch in lower jaw; head length 24.9-26.9 %SL; body depth 15.2-17.2 %SL; caudal peduncle length 14.6-17.0 %SL, depth 12.4-13.0 %SL, 1.16-1.33 times in length; 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; body with 10-13 thin bars, much narrower than interspaces, quite regular anteriorly, more irregular on caudal peduncle, often interrupted or dissociated into blotches; a conspicuous row of chevron-shaped dots along lateral line; black bar at caudal-fin base complete, not reaching dorsal and ventral midlines; dorsal-fin base with a small black spot anteriorly, a low elongate orange patch, and a low, elongate grey blotch (Ref. 36949).