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belongs to the Family Istiophoridae. Any of various large marine fishes of the genus Istiophorus, having a large saillike dorsal fin and an upper jaw that is prolonged into a spearlike bone....
Sailfish or billfish (Istiophorus) eat sardines, flying fish, and squid, preferring fish that swim near the ocean's surface. Divers have reported seeing several sailfish work together to corral their...