Pectoral fin extremely long – extends well beyond front of anal fin except in specimens under about 1 ft. (30 cm). Usually 7-9 dorsal finlets, 7-8 anal finlets. Liver striated on ventral surface. 25-31 gill rakers on 1st arch. Dark blue above; shading to silvery white below. 1st dorsal fin deep yellow, 2nd dorsal and anal fins light yellow. Anal finlets dark. Caudal fin white-edged.