First, the surface of oysters is uneven and the color is gray. The surface lines of Erlihai are relatively small and the color is a bit black. Oysters are big and oysters are small.
Second, they grew up in different environments. Oysters grow in cold seawater, many of which are farmed, but they must be welcomed in semi-salty bays and river estuaries. Oysters have low requirements for seawater temperature and environment, and can grow in all sea areas.
Third, the nutritional value is different. Oysters have a long growth cycle and are rich in nutrients, especially the heart. The content of protein is 40% higher than that of Li Hai, and the calcium content of oyster meat is about 4 times higher than that of raw oysters.
Fourth, oysters are expensive to sell, and oysters are weighed by the catty. Many people like to eat oysters raw, so it is recommended to eat them carefully or not, for fear that the seawater where oysters grow will be polluted.
Therefore, everyone must look carefully when buying, it is still relatively easy to distinguish!