牡蛎，古名有蛎蛤、蛎房之称，俗名海蝎子，又叫好或，其肉称为蛎黄，属瓣腮纲壮蛎科，我国沿海均有分布，共计20余种。在食品中视为美味者，主要为近江牡蛎、长牡蛎和大连湾牡蛎。近江牡蛎呈圆形、卵形或三角形，生长于江河人海处，长牡蛎贝壳较大，呈长条形。以上两种牡蛎， Oyster, the ancient name of oyster clams, oyster house, commonly known as sea scorpion, also known as or, the meat is called oyster yellow, is a flap gill Oyster families Division, are distributed along the coast of China, a total of more than 20 species. Treats as delicacies in food, mainly oyster oysters, long oysters and Dalian Bay oysters. Oyster oval was round, oval or triangular, growing in the sea of ​​people, long oysters shell larger, elongated. These two oysters,