The Sail Fish has very distinctive features. It has a upper jaw that is about twice the length of the lower jaw. The large dorsal runs down most of its body. The color of the Sail fish is usually dark blue with white streaks and black or brown spots. The sail fish's body design helps with its hydrodynamics which makes it reach speeds of over 68 mph. Their size when full grown ranges from 5.7 feet to around 11 feet and weigh from about 120 to 220 lbs.