Akagai, Japanese: アカガイ (Akagai). The appearance of the fresh scallop sashimi is orange-red and shiny. The meat is thick and juicy, full of umami flavor, and rich in nutritional value. It is most suitable for sashimi consumption. Red clams mainly grow along the northeastern coast of China and live on the soft mud or sandy seabed at a water depth of 20 to 35 meters. The red clams in Japan's major fish markets also come from China. Red clams have the effect of lowering cholesterol and blood lipids. Because shellfish molluscs contain delta 7-cholesterol and 24-methylene cholesterol, which have the effect of lowering serum cholesterol, and have the unique effect of inhibiting the synthesis of cholesterol in the liver and accelerating the excretion of cholesterol.