Billfish

REDIRECT Billfish

The billfish are saltwater predatory ray-finned fish from the superfamily Xiphioidea, characterised by prominent pointed bills (rostra), and by their large size; some are longer than . Extant billfish include sailfish and marlin, which make up the family Istiophoridae; and swordfish, sole member of the family Xiphiidae. They are often apex predators which feed on a wide variety of smaller fish, crustaceans and cephalopods.

Blochius is an extinct genus of billfish from the Eocene. It is only known from the Monte Bolca deposits in Italy, and was likely restricted to shallow, tropical waters of the Tethys Ocean.

Blochiidae is an extinct family of small-sized billfish known from the Late Paleocene to the Middle Eocene from the northern Tethys Ocean and the Pacific coast of South America.

Palaeorhynchus (meaning "old snout") is a genus of prehistoric billfish from Central and Southeastern Europe that was described by Wagner in 1860. One fossil found is dated (Early Oligocene).