南美白对虾（Litopenaeusvannamei）自然分布于太平洋西岸至墨西哥湾中部，以厄瓜多尔沿岸分布最为集中。它具有生长快，适应力强、对饵料要求低，可高密度养殖的特点。该虾１９８８年从美国引进，１９９４年人工育苗批量生产获得成功，１９９９年在南海海区推广养殖，开始了南 Litopenaeus vannamei is naturally distributed in the west coast of the Pacific Ocean to the central Gulf of Mexico, with the Ecuadorian coast being most concentrated. It has the characteristics of fast growth, strong adaptability, low requirement for food and high density culture. The shrimp introduced from the United States in 1988, the success of artificial seedling production in 1994, breeding in the South China Sea in 1999 to promote breeding, began a south