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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；日本每年大量出口沙蚕作为钓饵，出口销售非常看好，而且价格居高不下；沙蚕本?
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. It is not only feed on prawn shrimp feed, but also to prevent gonadal degeneration; Japan exported large quantities of nereis as bait each year, export sales are very bullish, but the price remains high;