Note: Do not rely on this information. It is very old.
Bluefish
Blue-fish, the American name of Temnodon saltator, a fish allied to the Horse-mackerel, distributed over nearly all tropical and sub-tropical seas. It is abundant on the shores of the United States, where it is highly valued for the sport it affords, and as a food fish. It is carnivorous, and exceedingly rapacious, destroying many more fish than it can devour. Specimens of 5 feet in length are recorded, but the majority caught are not half that length. Called also Skip-jack.