The scientific name of the nail clam: razor clam.

The razor clam (chēng) is a marine shellfish. Mollusks. Between the two shells, the shape of the narrow and long, outside the egg yellow, inside the white, living in the sea water near the shore, can also be artificially cultivated, meat flavor. There are razor clams, bamboo razor clams and other species.

Chēng is pronounced like "摊" in Minnan language and "青" in Ou language. Razor clams are commonly found in intertidal sediments (especially in temperate zones). The shell is long and narrow, razor-sharp, and up to 20 centimeters (8 inches) long. The axopods are large and active, able to move quickly up and down in the burrow, and quickly retract into the burrow when frightened. Feeds on food particles in seawater with a short hose.

Some species can swim short distances by spraying water from a hose. The razor clams (Siliqua patula) of the Pacific coast of North America do not inhabit fixed burrows, but live in the quicksand of beaches that are constantly being washed by waves.

Therapeutic value:

The meat of razor clams of the razor clam family. Also known as razor clam intestines. Razor clams are also known as razor clams and green seeds. Distributed along the coast of China; Zhejiang, Fujian and other places have culture. Obtained, washed fresh, or dried razor clams.

[Properties] Sweet, salty, slightly cold. It can nourish yin and clear heat, promote lactation and diuretic.

[Reference] Containing protein, fat, calcium, phosphorus, iron, iodine and other ingredients.

[Usage] It is used for postpartum deficiency, lactation; deficiency of yin and little fluid, irritable heat and thirst; damp-heat edema, urinary incontinence.

[Usage] Decocted soup, boiled food, etc., peeled off the shell food. Dried razor clams with five spices for the southern aquatic a great.

Reference: Baidu Encyclopedia - Razor Clams (Bamboo Razor Clam)