Tuna is tuna, and there is no difference between the two. To be precise, tuna is another name for tuna. Because tuna is called differently in different countries, tuna is called "tuna" in English. Therefore, when transliterated directly into Chinese, it becomes tuna, so tuna is now also called tuna. Tuna is not only called tuna, but also called "tuna" in Japan. However, "tuna" has also appeared in Chinese classics, but it does not refer to tuna. Later, after the tuna industry in Japan became more developed, the name of tuna became more common.

Tuna refers to all fish of teleost, perciformes and mackerel, while bonito belongs to fish of teleost, perciformes, mackerel and bonito. It can also be said that tuna contains bonito, which is a kind of tuna. There are many varieties of tuna besides bonito. The meat quality of bonito is worse than that of tuna. Their meat quality is more firewood and their fishy smell is bigger. Tuna has a brighter meat quality and less fat content, so it tastes better. In addition, the size of bonito is relatively small, and the whole is relatively short. Tuna will be bigger and more slender.