Pacific bonito head. The caudal peduncle is slender, and the body entirely scaled. It has no teeth on the vomer. It has a small keel on either side of the median keel on the sides of the caudal peduncle, and six to eight finlets on the dorsal and ventral surfaces of the caudal peduncle. The maximum length is about 40 inches and weight 25 pounds. It is found anywhere from inshore to about 100 miles offshore from northern Vancouver Island to Mexico, though it is not normally found north of Point Conception. It usually travels in schools. Fish and squid are its
Pethia cumingii at the base of the caudal peduncle posterior to base of anal. Both blotches are widest at the lateral line. Eye pale yellow or white. Dosal and ventral orange, with two horizontal rows of 5-7 black spots on dorsal which has a black tip to its anterior spine. Remaining fins yellow (Daraniyagala,1952).Dorsally olive, the side being silvery with a golden sheen. There are two vertically elongate blotches rather larger than the eye, one above the anal fine and the other above and behind the operculum. The dorsal and pelvic fines have yellow (Daraniyagala,1952 / Pethiyagoda 1991). Fins. D II.8, A