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螃蟹离开海水为什么会死
更新时间: 2020-06-30 00:00:00  

原因:

1、在湿润的条件下,螃蟹可以生活一段时间,但如果长时间干燥,鳃就会变干而失丧失呼吸能力;

2、海螃蟹由于长期在海边生存,它的鳃适应了高盐的海水,不适应低渗透压的淡水;

3、螃蟹主要是因为缺氧造成呼吸困难而死亡的,虽然有海水,但一点海水中的氧气是不够它用的。

关键词: 螃蟹 离开 海水 为什么

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