The pronunciation of blood clam is xuè hān.

The scientific name of blood clam is mud clam, which is called blood clam because the blood contains hemoglobin and is red in color.

Introduction:

The mud clam (Tegillarca granosa) belongs to the family of mollusks, class Bivalvia, order Lepidoptera, family Arcaceae, genus Arca. It is a traditional shellfish in China. Local name: granular ark shell, blood clam, blood snail, Valangha.

The shell is extremely hard, ovoid, equal in two shells, rather swollen. The dorsal ends are slightly obtuse. The top of the shell is prominent, curled inward, positioned in front, and the distance between the two shell tops is far. Radial ribs stout, 18-22, assisted by conspicuous nodules in the form of wagons. Shell surface white, covered with brown crust. The inner surface of the shell is grayish white. Marginal level with deep grooves corresponding to the radial ribs on the shell surface. Hinges straight, teeth fine. The anterior closed-shell muscle scar is small and triangular, and the posterior closed-shell muscle scar is large and quadrangular.

It is distributed all over the coast of China, and the spawning period from August to October is the peak production season. In addition, Hebei, Shandong, Zhejiang, Fujian, Guangdong are artificial culture, production is quite abundant. Mud clam meat is delicious, can be eaten fresh or wine stained, can also be made into dried products, ark shell meat contains a lot of protein and vitamin (B12), ark shell blood is bright red, the edge of the meat has a color line like gold wire. The blood of arkshells is bright red with a golden thread around the edge. The shells can be used as medicine, which has the effect of eliminating blood clots and resolving phlegm accumulation. Because of its cheap price, it can be called a popular seafood product.

Culture:

The mud clam is dioecious and sexually mature in 1 year locally, and spawns in the fall and winter in batches of half a month apart. Most of the cultured mud arkshells are raised in artificial nurseries, and the factory nursery technology is also more comprehensive. Mud clam culture can be divided into two parts: intermediate cultivation and adult shell culture, that is, from about 20-30,000 grains per kilogram of juvenile shell cultivation to 500-1,000 grains per kilogram of seedlings and seedlings and then raised to commercial shells (specifications for 60-160 grains per kilogram).