Scallop (English name: Scallop) is an animal of Pinctada. Its appearance is shell fan-shaped, but the butterfly hinge line is straight, and there are wing-shaped protrusions at both ends of the butterfly hinge; The size is about 2.5~ 15 cm (1~6 inches) or more; The shell is smooth or has radial ribs, with smooth ribs and scales or nodules, and the color is bright red, purple, orange, yellow to white; The lower shell is lighter and smoother; There is a large adductor muscle. It is distributed in the world's oceans, inhabits shallow seas ranging from low tide zone to hundreds of meters, attaches to or lives freely, and mainly feeds on ephemera algae.

Also known as sea fan clams, shells are mostly disc-shaped or fan-shaped; There are ears at the front and back of the shell top, equal or unequal. Most of the right shell has obvious foot hole and fine comb teeth under the front ear. The shell mask is engraved with radial ribs or concentric plates. Closed shell muscle marks are obvious, clothing marks are simple, and there is no water pipe; The internal ligament is located in the triangular ligament groove below the top of the shell. More than 50 species have been found in the coastal areas of China. Chlamys farreri is an important cultured shellfish along the northern coast of China, with large output and high economic value. Scallop is called "scallop" and is a rare sea treasure.

Edible

The main edible part of scallop is adductor muscle, namely scallop column. Its meat is tender and delicious, and it is a kind of health food with high nutritional value. Shrimp scallop, commonly known as scallop, is one of the traditional "sea treasures" in China and is deeply loved by consumers.