Commonly reaches 13.8 in (35 cm) in total length but may reach 47.2 in (120 cm) in standard length. Adipose tissue covers most of the eye. There are several rows of very small uni-cuspid and bicuspid teeth on the edges of the lips. Anal fin has three spines and eight soft rays in adults. There are 36-44 scales in a longitudinal series along the flanks. Body is olive-green dorsally and silvery on the flanks and abdomen, with about seven longitudinal dark stripes along the flanks. The pelvic fin, anal fin, and lower lobe of the caudal fin are yellowish in some populations.
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