1, bluefin tuna

Bluefin tuna, also known as "black tuna", belongs to the top species of tuna. At present, due to the overfishing of bluefin tuna, some species have been endangered, the price also rose. The price of bluefin tuna is also the highest in the tuna world. There is a saying that "90% of the world's wild bluefin tuna are happily swimming in the stomachs of the Japanese". Many countries such as Spain, Greece, North America, New Zealand, and Morocco have become important sources of tuna for Japan. The photo shows the inspection of tuna before auction at the Tsukiji market in Japan.

2, Pacific bluefin tuna

Pacific bluefin tuna is a kind of large tuna, the length of the body is usually about 2 meters, the weight can be up to 450 kilograms. In Japan, Pacific bluefin tuna can also be categorized into two types, one is caught offshore of Japan and the other is caught in the eastern Pacific Ocean outside the Sea of Japan. Obviously the Japanese consider their home-grown tuna to be more valuable, but they are technically the same species. Pacific bluefin tuna is most popular among diners because it is characterized by a fatty but refreshingly sweet taste.

3, Atlantic bluefin tuna

Atlantic bluefin tuna is the largest species of tuna, the length of up to 2 meters, weight up to 600 kilograms, mainly distributed in the Atlantic Ocean, the Mediterranean Sea, the Gulf of Mexico and other temperate and tropical waters. Atlantic bluefin is also one of the highest value tuna, scarcity and appreciation comes together, the Atlantic bluefin soared a thousand times in forty years, but also listed as one of the critically endangered animal species. In the eyes of gourmets, Atlantic bluefin has a slightly fattier texture than Pacific bluefin.