The Sailfish The fastest fish in the ocean, sailfish can reach speeds of 68 miles (110 kilometers) per hour. Their large size and spirited fight make them a favorite among trophy fishers. The two main subspecies of sailfish, Atlantic and Indo-Pacific, range throughout the warm and temperate parts of the world’s oceans. They are blue to gray in color with white underbellies. They get their name from their spectacular dorsal fin that stretches nearly the length of their body and is much higher than their bodies are thick. They are members of the billfish family, and as such, have an upper jaw that juts out well beyond their lower jaw and forms a distinctive spear. Their meat is fairly tough and not widely eaten, but they are prized as game fish. These powerful, streamlined beasts can grow to more than 10 feet (3 meters) and weigh up to 220 pounds (100 kilograms). When hooked, they will fight vigorously, leaping and diving repeatedly, and sometimes taking hours to land.