毛蚶(Scapharca subcrenata),营养丰富,味道鲜美,是我国沿海池塘、滩涂、浅海养殖的一种重要经济贝类。近年来,毛蚶市场供不应求,毛蚶增养殖业发展迅速,人工育苗技术也在不断完善。但是,由于各种原因,毛蚶人工育苗生产中常出现幼体突然大量“下沉”死亡和幼体附着变态率低等问题,造成育苗中途失败或 Scapharca subcrenata, nutritious, delicious, is an important economic shellfish cultured in our coastal ponds, tidal flats and shallow seas. In recent years, the Mao market is in short supply, hairy breeding industry has developed rapidly, artificial seedling technology is also constantly improving. However, due to various reasons, the sudden emergence of large numbers of “sudden death” and larvae metamorphosis in larvae often results in the failure of breeding seedlings or