Swordfish are marine fishes. They are teleost, perciformes, and mackerel fishes. They are also called banana fish, marlin fish and so on. Swordfish has a long and wide fin on its back, which looks like a banana leaf, so it is also called banana fish. They are a large fish, character is very fierce, and swimming speed is very fast, the fastest can reach 190 kilometers per hour.

Their snout is long and explosive, and they often puncture the enemy's body through fast swimming and sharp snout. The ability of swordfish to prey is also very strong. They like to eat some small fish, shrimp, squid, squid and other animals best. Swordfish like to live in warm environment, so most of them are distributed in Atlantic Ocean, Pacific Ocean and Indian Ocean.

Swordfish be cultured. First of all, they are relatively large in size, and their body length is generally between 2-3 meters in adulthood, and they swim very fast. In artificial breeding, it is necessary to prepare a very large space for them to ensure sufficient space for their activities. Secondly, they are marine organisms, and mariculture is also needed when they are farmed artificially. If it is farmed in inland areas, it is troublesome to obtain seawater. In addition, artificial farming needs to change water regularly, so there are many restrictions in the whole farming process, so artificial farming is not recommended.