It is a large marine fish species belonging to the swordfish family and the swordfish genus, known for its astonishing swimming speed and unique appearance. The body is streamlined, with well-developed muscles and a strong and powerful tail that can swim quickly in water. The most prominent feature is that the front of the dorsal fin is very long, like a flag, which is also the origin of their name. I mainly live in tropical and subtropical waters and enjoy activities in open seas. It is a top predator that feeds on fish, squid, and other marine organisms. Their hunting methods are very unique. They use their ability to swim at high speeds to strike their prey, causing them to faint or die. It is one of the fastest fish species in the ocean.