A member of the group of species with complete or nearly complete lateral line, 8 1/2 branched dorsal rays, 9+8 branched caudal rays and no sexual dimorphism. Can be distinguished by the following characters: caudal peduncle 1.10-1.44 times longer than deep, its length being 14.2-17.5% SL, 67-86% HL and its depth 11.5-13.2%SL, 52-62% HL; 8-11 bars; black basal caudal bar not reaching dorsal and ventral midlines, moderate keels on caudal peduncle, a median interruption in lower lip. Caudal fin emarginate (Ref. 39226). With slight depression at nape; 8-12 bars that turn into blotches on lateral line and saddle-markings dorsally; scales lacking on belly and on back between head and dorsal fin (Ref. 12693). Dorsal fin base with a black spot anteriorly, followed by an orange patch and a low elongate grey blotch (Ref. 43281).