1. The growth environment is different.

From the growth environment, hairtail in the East China Sea covers a wider range, generally referring to hairtail growing in the East China Sea; There are few species of hairtail in Zhoushan, especially hairtail growing in Zhoushan fishing ground in Zhejiang Province. Zhoushan hairtail grows in Zhoushan fishing ground of Zhoushan Archipelago, which is located in the northeast of Zhejiang Province and is the largest archipelago in China. Zhoushan hairtail is also the first batch of seafood with geographical indication certification trademark in China. Hairtail in Zhoushan refers to hairtail growing in Zhoushan fishing ground in the East China Sea, and hairtail in the East China Sea refers to hairtail growing in the East China Sea.

2. The appearance is different.

From the appearance, hairtail in Zhoushan has the characteristics of small head, small head and small eyes. It looks sharper and smaller than other Donghai buns. Compared with other hairtail in the East China Sea, hairtail in Zhoushan has a sharp head, black eyes, no protruding bone on the back, white scales, easy to fall off, and the overall shape is like a thin whip. Regarding the appearance characteristics of hairtail in Zhoushan, there is also a saying of "three small and one thick", that is, the head is small, the eyes are small and the meat is thick.

3. The taste is different.

In terms of taste, Zhoushan hairtail has more bones, more fat, delicious taste and less fishy smell, which is more delicious than other hairtail in the East China Sea. Fish bones in Zhoushan belt are small and fat, with thin abdomen and high fat content. Fish tastes more tender and delicious, has no foreign body sensation, and is fresh but not fishy, especially suitable for steaming. Some people call it "the best hairtail in the world". Although other hairtail in the East China Sea is delicious, its meat quality is not as tender as Zhoushan hairtail, and its taste is not as good as Zhoushan hairtail.

4. Different nutritional values.

From the nutritional value, hairtail in Zhoushan is rich in protein, DHA, 6- thioguanine and other substances, and its nutritional value is higher than other hairtail in the East China Sea. Compared with other hairtail in Zhoushan, the nutritional components of other hairtail in South China Sea are slightly inferior, and the nutritional value is not higher than that of Zhoushan hairtail. In the silver oil layer of hairtail in Zhoushan, there is also a substance called "6- thioguanine", which is a common ingredient for treating acute leukemia.