It is a clam. Meretrix meretrix, also known as clam, has many varieties, such as flower clam, Meretrix meretrix, Xishi tongue and so on. Its meat is so delicious that it is called "the freshest in the world" and "the crown of all flavors". There is also a saying in Jiangsu that "eating clam meat makes all tastes fail".

The nutritional characteristics of Meretrix meretrix are high in protein, trace elements, iron, calcium and fat. Many shellfish also have the above characteristics. It is the meat of cladocera or various other clams. Produced in coastal areas of China.

Extended data

Clam meat is rich in nutritional value. 100g clam meat contains protein 10g, fat 1.2g, carbohydrate 2.5g, and various minerals and vitamins such as iodine, calcium, phosphorus and iron, while clam shell contains calcium carbonate, calcium phosphate, magnesium silicate, iodine and bromide. Modern medical research has found that there is a substance called clam element in Meretrix meretrix, which has anti-cancer effect of inhibiting tumor growth.

The depth of its perch in sediments is generally not more than twice its body length. On the first and fifteenth day of the lunar calendar, after the ebb tide, people often go to the seaside to dig this kind of seafood to satisfy their thirst, while in mass production, they use mussel dredgers to fish in deep water.

Reference source: Baidu Encyclopedia-Meretrix meretrix