沙蚕是一种生长在沿海和河口附近滩涂上的环节动物,可以作为钓饵,是鱼虾的天然饵料,同时也是广东、福建、广西、浙江沿海居民喜食的佳肴。它作为对虾亲虾饵料不仅亲虾嗜食,而且能防止性腺退化;日本每年大量进口沙蚕作为钓饵,出口销售非常看好,而且价格居高不下;沙蚕本身就是一种海洋药物,已被用于提取沙蚕毒素;利用沙蚕进行生态养殖,已取得很好效果。可见沙蚕的经济价值、营养价值、生态价值均十分明显,所以近年来日渐被沿海养殖户推崇为一种优良的养殖新品种,养殖面积日益增大。目前开展 Nelumbo nucifera is a kind of marine animal that grows on the beach near the sea and estuary. It can be used as bait and is the natural bait for fish and shrimp. It is also a delicacy for the residents in Guangdong, Fujian, Guangxi and Zhejiang coastal areas. As a feed for shrimp and broodstock, it not only feeds on the progeny of the shrimp, but also prevents the gonad from degenerating. Japan sells large quantities of nematode as bait every year, export sales are very promising and the price is high. The Nereis is a marine drug that has been used Nereis extract extract; the use of Nereis for ecological farming, has achieved good results. It can be seen that the economic value, nutritional value and ecological value of the sandworm are all very clear. Therefore, coastal silkworms are increasingly praised as an excellent new breed of aquaculture and the area of ​​breeding is increasing day by day. Currently carried out