D1 VIII; D2 I/24; P1 21; P2 I/5; A III/21. Body color blue black above, silvery yellow below. Spinous dorsal fin distinctly black, other fins pale yellow; juveniles with a number of dusky bands from back to midline of body. Body oblong and moderately compressed, the dorsal and ventral profiles equally and evenly convex. Teeth villiform. Two dorsal fins. Pectoral fins falcate.