It can be eaten. The shells in the river are actually river mussels.

River mussels live at the bottom of freshwater lakes, ponds, rivers, etc., half-buried in sediment. The meat is edible and can also be used as bait for fish and poultry and as feed for poultry and livestock.

In some areas, freshwater pearl clams are used to raise pearls. The main species used to raise pearls are the triangular sail clam and the ruffled crown clam. The inlet and outlet pipes at the rear end of the clam body are exposed, and water can flow into and out of the outer mantle cavity, thereby completing functions such as ingestion, respiration, and excretion of feces and metabolites, filtering microorganisms and organic matter particles in the water, and also eating small microorganisms.

Extended information:

Main value

1. Edible

River mussels have high nutritional value and contain protein, fat and sugar. Class, calcium, phosphorus, iron, vitamins A, B1, B2. Every 100 grams of edible part of river mussels contains 10.9 grams of protein, 248 mg of calcium, 243 micrograms of vitamin A, 20.24 micrograms of selenium, and 2.3 micrograms of carotene. It also contains more riboflavin and other nutrients, and the total energy can reach 20.71 trillion. J/kg.

2. Economy

River mussels are the cradle of pearls. They can not only form natural pearls, but also artificially cultivate pearls; pearls are a kind of precious decorations, and they also have great of medicinal value. Pearls can be processed into various decorations and handicrafts, and have always been regarded as treasures and deeply loved by people.

Pearls are also valuable medicinal materials. Various Chinese patent medicines such as pearl powder, pills, pills, and liquids prepared from pearl powder, pills, liquids, etc. are widely used in clinical medicine and can treat the human body. A variety of diseases, the curative effect is remarkable. Since 2000, various high-end cosmetics and health care products formulated with pearl powder as raw materials have also been welcomed by consumers.

Baidu Encyclopedia-River Clam