1, blue-finned swordfish: distributed in tropical and subtropical waters of the Pacific Ocean and Indian Ocean.
2. Atlantic swordfish: It is distributed in the temperate and subtropical waters of the Atlantic Ocean and the Mediterranean Sea, and is one of the largest swordfish species, with a body length of 4.5 meters.
3. True swordfish: It is distributed in the tropical and subtropical waters of the Indian Ocean and the Western Pacific Ocean. It is a relatively small swordfish species with a body length of 2-3 meters.
4. Swordfish with short snout: distributed in tropical and subtropical waters of the Pacific Ocean and Indian Ocean, it is a small swordfish species with a body length of1-2m.