It is a large oceanic shark belonging to the family Scombridae. Widely distributed in tropical and subtropical waters around the world, it usually lives in the surface to middle layers of the ocean. Known for its streamlined body and fast swimming ability, it can grow up to 4 meters in length and weigh up to 200 kilograms. The body color is usually dark gray or blue gray, with a lighter belly, which helps with camouflage underwater. It is a carnivorous animal that mainly feeds on fish, squid, and crustaceans. Having sharp senses, able to detect the position of prey through electrical induction. They usually move alone or in small groups, and sometimes engage in long-distance migrations in search of food or reproduction.

Also known as the short snouted mackerel shark, it belongs to the family Scorpaenidae in the order Scorpaeniformes. It is a large oceanic shark known for its streamlined body and fast swimming ability. The body length can reach about 4 meters and the weight can reach 450 kilograms. Having a blue gray back and a white belly, this color combination helps them hide in the ocean. Mainly distributed in tropical and subtropical waters, it is a top predator that feeds on fish, squid, and other sharks. Known for its ability to chase prey at high speeds, it can reach speeds of up to 50 kilometers per hour in a short amount of time. The mode of reproduction is ovoviviparous, where the embryo develops within the mother's body and does not leave until birth.