2, scallop belongs to the mollusc family, scallop family, its appearance for the shell fan-shaped, butterfly hinge line straight, butterfly hinge at both ends of the wing-like protrusion. Is China's important shellfish farming species, its edible part of the main nutrients for protein, similar to fish, shrimp, is a set of food, medicine, tonic for one of the important aquatic food. There are many kinds of scallops with plump meat and delicious flavor. Scallops are widely distributed in the world's oceans, inhabiting the low-tide zone to hundreds of meters or so of shallow sea, camp attached or free life, mainly to mayfly algae for food. Dried scallop products are called "dried scallops", which are valuable sea treasures.