There are plenty of fish in the sea, but what is the fastest fish in the ocean?
Answer: The sailfish is the world’s fastest fish. It has been measured in excess of 68 mph over short periods. Notable characteristics of sailfish are an erectile dorsal fin known as a sail and the elongated bill. Sailfish can grow to about 10 feet long. These slim fish can weigh up to about 128 pounds. They have blue-gray backs and white undersides. One of their most noticeable features is their spear-like upper jaw, which is about twice the size of their lower jaw. They also have an enormous dorsal fin that fans out above the length of their body.