Sailfish are known for their incredible speed, long bill, and their striking sail-like dorsal fin. Its sleek body is built for fast swimming, allowing it to dart through water in bursts of speed. They are found in tropical and warmer ocean waters.
The sailfish is one of two species of marine fish in the genus Istiophorus, which belong to the family Istiophoridae . They are predominantly blue to gray in colour and have a characteristically large dorsal fin known as the sail , which often stretches the entire length of the back.