西施舌(Coelom actra an tiqua ta)隶属于软体动物的瓣鳃纲、真瓣鳃目、异齿亚目、蛤蜊科、蛤蜊属,贝壳略呈三角形,壳表光洁,具有黄褐色发亮外皮,壳表呈紫红色,壳较薄。西施舌又名沙蛤,在福建俗称“海蚌”,在香港称“贵妃蚌”,其足大如舌,脆嫩鲜美,可与鲍鱼、海参相媲美,为国宴 Cristata (Coelom actra an tiqua ta) belongs to the mollusc’s valve gill, the true petal gill, the different tooth suborder, clam family, clam genus, shells slightly triangular, shell surface smooth, shiny with brown coat, Shell table was purple, shell thin. Xishi tongs, also known as sand clams, commonly known in Fujian as “sea clams” in Hong Kong, “Royal clam clam”, its enough tongue, crisp and delicious, with abalone, sea cucumber comparable to the state banquet