This species is distinguished from its congeners by the following characters: all cephalic sensory-canal pores absent; dorsal/anal fin-ray formula 9/8; unbranched pectoral-fin rays 13-14; with fifth pelvic-fin ray and 10-17% of fourth ray; body crossed by 5 narrow, white, vertical lines separating wider dark bars and with the dark bar under posterior half of second dorsal fin wider than orbit diameter (Ref. 123827).