Body depth 15.9-17.9 %SL; anterior nostril pierced on front side of a flap; processus dentiformis present; no median notch in upper lip, lower lip with a median incision; lower jaw with a median notch; lateral line complete; caudal peduncle with dorsal and ventral adipose keels, length 16.2-17.7 %SL, depth 12.8-14.2 %SL, 1.14-1.35 times in length; 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; top of head vermiculated, cheeks dotted; body with 9-13 bars, wider than interspaces, wider anteriorly than posteriorly; black bar at caudal-fin base usually complete; dorsal-fin base with a blackish band, with a hyaline (orange in life) spot (Ref. 36949).