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红龙鱼为什么总是张嘴

更新时间: 2020-06-28 00:00:00     

1、红龙鱼是狭温性动物,它们对温度极为敏感,生活的水温应处于25~30℃之间,生长温度以28℃为宜,且昼夜温差不应超过3℃为宜,而水温低于25℃或高于30℃,就会出现总是张嘴的现象。

2、还有可能是寄生虫或者PH过高导致的红龙鱼呼吸困难,让腮部不舒服,引起红龙鱼总是张嘴。

关键词: 为什么 总是 张嘴

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