沙蚕属环节动物门多毛纲,主要栖息于海滨泥沙滩和浅海底,是底栖动物群落中的优势种,也是底栖性鱼虾类的主要捕食对象,因而是海洋中的基础饵料动物。素有“万能钓铒”之称的沙蚕,是垂钓渔业的理想钓铒。近年来,在一些发达国家出现了钓鱼热之后,活沙蚕出口的需要量急剧增加。由于供求矛盾的尖锐化,促使了沙蚕人工养殖业的兴起。 The silkworm belongs to the order of the phylogenetic tree, which mainly inhabit the sandy beach and the shallow sea. It is the predominant species in the benthic community and the predator of the benthic fish and shrimp. Therefore, it is the basic bait animal in the ocean. Known as “universal fishing erbium,” said Nereis, is the ideal fishing fishing bait. In recent years, the demand for live sandworm exports has risen sharply following the emergence of fishing fever in some developed countries. As the sharp contradiction between supply and demand, prompting the emergence of artificial breeding of Nereis.