虾贝混养，有利于净化虾塘水质和生态平衡，挖掘虾塘生产潜力，达到增产、增效的目的。江苏省赣榆县１９９９年实施虾蛏混养面积９８００亩，收获缢蛏１６３８吨，对虾４１０吨，亩增加收入１８００元。 本项生态农业技术模式适宜在泥质或泥沙底质的虾塘泥滩推广；其模式建设的 Shrimp and shellfish polyculture is conducive to purifying shrimp ponds water quality and ecological balance, tap the production potential of shrimp ponds to achieve the purpose of increasing production and increasing efficiency. Ganyu County, Jiangsu Province in 1999 implemented shrimp farming polyculture an area of ​​9800 acres, harvest 缢 蛏 1638 tons, 410 tons of shrimp, mu increase income 1800 yuan. This eco-agricultural technology model is suitable for promotion in shrimp ponds and mudflats with muddy or silt bottom sediment;