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锥螺和钉螺的区别钉螺长什么样
更新时间: 2020-11-02 00:00:00  

锥螺多产于海洋区域,壳体修长精致,约有30层凸圆的螺层,而钉螺多产于淡水区域,并且钉螺是能够水陆两栖的螺类,幼体多喜欢生活在水中,成熟后由水中迁徙至岸上。

钉螺属软体动物,有雌、雄之分,水陆两栖,由螺壳和软体两部分组成,软体部分的前部为头、颈、足和外套膜,后部是内脏;表面有纵肋者称"肋壳钉螺",壳长约10毫米,宽约4毫米,生存于湖沼或水网地区

关键词: 钉螺 区别 什么样

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