Swordfish (
Xiphias gladius; from
Greek ξίφος: sword, and
Latin gladius: sword), also known as
broadbills in some countries, are large,
highly migratory,
predatory fish characterized by a long, flat bill. They are a popular sport fish of the
billfish category, though elusive. Swordfish are elongated, round-bodied, and lose all teeth and scales by adulthood. These fish are found widely in tropical and temperate parts of the
Atlantic,
Pacific, and
Indian Oceans, and can typically be found from near the surface to a depth of . They commonly reach in length, and the maximum reported is in length and in weight.