Sailfish are a type of billfish, which also includes marlins, swordfish, and roundscale spearfish. Billfish are pelagic and prefer the warmer waters of the Atlantic and Pacific. They are often found in groups, feeding on smaller fish, crustaceans, and cephalopods (octopus, squid, and cuttlefish).

Is marlin and sailfish the same?

You need to know that Sailfish, Swordfish and Marlin are pretty much cousins; they belong to the same Billfish family. These are highly predatory fish that are fast and can also get really big and hunt all the oceans of the world from the Indian Ocean to the Atlantic and even the Gulf of Mexico.

Are swordfish and marlin the same fish?

Belonging to the same billfish family as marlin, the swordfish shares the same habitat (tropical waters of the Atlantic, Indian and Pacific Ocean) and migratory patterns as well. ... The snout of a typical swordfish is flat, whereas that of a marlin is round.