It is a type of oceanic important commodity food fish distributed in tropical and subtropical waters around the world, belonging to the order Perciformes, family Scombridae, and class Actinopterygii. Known for its streamlined body, fast swimming ability, and rich nutritional value. It is a carnivorous fish that feeds on small fish, crustaceans, and other marine organisms. It has extremely high commercial value and is a high priced commodity in the global seafood market, commonly used for making sushi, sashimi, and other seafood dishes. The meat is delicious and rich in protein, healthy fats such as omega-3 fatty acids, as well as various vitamins and minerals. Due to overfishing, it has been listed as an endangered species by the International Union for Conservation of Nature.

Also known as tuna, it is a marine fish belonging to the order of bony fishes, order of tuna, and family of tuna. Known for its fast swimming and long-distance migration, it is an important predator in the ocean. The body is streamlined with well-developed muscles, capable of high-speed swimming in water and preying on small fish and crustaceans. The body size is usually large, and adult individuals can grow up to several meters long and weigh several hundred kilograms. Widely distributed in tropical and subtropical waters around the world, it is an important component of fisheries in many countries. It holds an important ecological position and also has extremely high economic value. The meat is delicious and rich in protein and unsaturated fatty acids.

Pacific bluefin tuna, also known as northern bluefin tuna or tuna, is a bony fish belonging to the family Scombridae in the order Perciformes. Pacific bluefin tuna is mainly distributed in subtropical and temperate waters of the North Pacific and North Atlantic. Belonging to the temperate oceanic upper middle layer fish species that swim quickly, it has highly migratory characteristics and prefers to cluster. Prey fish, cephalopods, crustaceans, etc. Due to significant changes in the consumption of deep freezing and commercial fishing, by the early 1990s, the adult population in the Atlantic had declined to only 13% of the 1975 population level.