There is no yellow on the main fins, but the dorsal finlets are yellowish. The anal finlets are silvery or dusky. Behavior A temperate species, found worldwide in tropical and warm temperate seas. While albacore usually remain in tropical or warm waters, they do make migrations into colder waters as far north as New England. The body is entirely covered with scales, which are very small except in the pectoral region.
Bonito have large conical teeth on both the upper and lower jaw.
No swimbladder is present, and there are 16-24 gill rakers on the first gill arch. The pectoral fins are very short, and there are 20-23 fin rays on the 1st dorsal fin. The right and left lobes of the liver are elongate, while the center lobe is short. Known to skip or leap over the surface of the water when in pursuit of prey. Found in schools 15-20 miles offshore, but are also found close to shore.