There is only one species of swordfish, which belongs to swordfish species of Swordfish of Swordfish family Perciformes. There is only one species of swordfish in the genus swordfish, and there are no other species and subspecies, so there is only one species of swordfish. Swordfish are also called swordfish, swordfish, etc. They have long maxillary and look like a sword. They like to live in warm environment, and most of them are distributed in the lower temperature sea areas such as Pacific Ocean, Atlantic Ocean and Indian Ocean. They are deep-water fish, mainly living in the sea area between 200 and 600 meters, and a few are distributed at a depth of about 650 meters. They are large fish, and their body length will be about 2-3 meters in adulthood.

The most obvious characteristic of swordfish is their mouth, which is relatively long, even accounting for one third of the length of the mouth, and is very hard and sharp. This mouth can be used as both a tool for their predation and a weapon for their defense. Another characteristic is the shape of swordfish. Their bodies are streamlined, smooth in appearance and developed in muscles.

Their tails are also powerful, which can make them swim faster. Swordfish can swim at a top speed of 110 kilometers per hour, and few creatures in the ocean can catch or harm them.