Description: 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.
Size: To 4 ½ feet (137 cm)
Range/Habitat: Worldwide in temperate seas; rare in tropics; Alaska to Revillagigedo Island (Mexico). Open seas and clear water; seldom close to shore.
Source: Pacific Coast Fishes
Houghton Mifflin Company
Eschmeyer, Herald, and Hammann 1983