鲎是海洋中的一种无脊椎甲壳动物，生物学分类上属节肢动物门，肢口纲，剑尾目，宣科。鲨全身由头脑部、腹部和尾部组成，雌大雄小，雌里有七八斤重，雄里只有四五斤重，雌鲎长年累月背负着雄鲎游水觅食，牝牡相随，形影不离。目前全世界的党仅存三属五种，产于我国浙、闽、台 鲎 is an invertebrate crustacean in the ocean, the biological classification of the arthropod door, Gang Gang, Jianwei head, Xuan Ke. Shark body consists of the head, abdomen and tail composition, male and female small, female weighs seven or eight pounds, male only four or five pounds heavy, male and female all year long, the male and female piggybacking to swim, flesh relatives, inseparable. At present, there are only three genera and five species in the world, produced in China’s Zhejiang, Fujian and Taiwan