D1 I+VII; D 2 I/22; P 1 22; P 2 I/5; A II+I/18. Body color bluish-green above, silvery below. Pelvic fins deep black, other fins pale or light yellow. Body deeply ovate and strongly compressed, eyes strongly convex. Abdomen with a deep median groove between bases of anal and pelvic fins. Teeth in jaws are villiform. Two dorsal fins. Pectoral fins falcate. Scales small, lateral line strongly curved; scutes along straight part of lateral line.