Is the fastest fish in the upper reaches of the world swordfish or swordfish?

Among more than 30 thousand kinds of fish, swordfish is the champion of swimming speed. Sailfish gallop like an arrow in the vast sea area, swimming at the speed of 120 km per hour, three or four times faster than the speed of the ship. If the sea route from Tianjin to Shanghai is1more than 300 kilometers, swordfish can swim the whole distance in just1more hours.

Its fish mouth is like a sword, which can quickly drain water to both sides; The dorsal fin is very strange, and it stands up and spreads like a sail on a ship. When it swims, it lowers its dorsal fin to reduce resistance. The tail handle is particularly thin and muscular, and it swings very powerfully, like a propeller of a ship. The characteristic of this body structure is that it is a valuable condition for creating a record of the highest swimming speed of fish.