缢蛏俗称蛏、蜻,为广温性海产软体动物,在我国海水贝类养殖中有重要地位。江苏的缢蛏养殖业起步较晚,但发展很快。江苏的缢蛏苗种一直都是从浙江、福建一带采购的自然苗种,昂贵的运费和长途运输较高的死亡率耗费了养殖户们大量的人力、物力,特别是最近几年,因为气候和环境污染等 Common 蛏 缢, dragonfly, for the wide-temperature marine molluscs, shellfish farming in our country has an important position. Xuyi aquaculture started in Jiangsu late, but the rapid development. Xuyi seedlings in Jiangsu have always been natural seedlings procured from Zhejiang and Fujian provinces. Expensive freight and long-distance transport have resulted in a large amount of manpower and material resources being consumed by farmers, especially in recent years because of climate and Environmental pollution