The constricted razor clam is a shellfish widely distributed in Asian waters.

Anadara subcrenata (scientific name: Anadara subcrenata), also known as white razor clam, giant razor clam, olive razor clam, etc., is a kind of shellfish widely distributed in Asian waters. They belong to the family Arcidae in the class Bivalvia.

The shell of the constricted clam is oval in shape, with a smooth surface, and is generally white or light brown in color. They usually live in intertidal zones or shallow sea waters such as estuaries, shallow beaches, and salt marshes, parasitizing on sand or rocks. The constricted razor clam feeds mainly on plankton and organic detritus.

The razor clam is a popular edible shellfish. Its meat is tender and delicious, and it is widely used in seafood dishes. In many areas, people often use constricted razor clams to cook various delicious dishes, such as steamed razor clams with garlic paste, stir-fried razor clams with ginger and green onions, etc.

Due to its edible value and economic value, its harvesting and breeding have gradually attracted attention. However, like other shellfish, the reasonable harvesting and breeding of constricted clams need to comply with local laws and regulations to protect this resource and maintain ecological balance.