This species is characterized by the following features: D 111-133 (usually 116-123); A 94-103; pectoral fin rays 18 or 19 (rarely 20 or 21); precaudal vertebrae 15-17 (usually 16), caudal vertebrae 49-53 (usually 50-52), total vertebrae 65-69 (usually 66-68); lower arm of first gill arch with 5 or 6 developed rakers; rounded head profile with mouth distinctly inferior; dorsal and ventral profiles of body nearly parallel for much of its length; unmarked body; short and unequal pelvic-fin rays, longer reaching to point directly under anterior edge of opercle (Ref. 81834).