为什么大鲵又被人称叫娃娃鱼!它的生活习性以及在我国的分布地区是怎样的?

大鲵是国家几级保护动物噢。!
2025-03-15 00:22:59
推荐回答(1个)
回答1:

【中文名称】:大鲵
  【拉丁学名】:Andrias davidianus
  【俗名】:娃娃鱼,人鱼,孩儿鱼,狗鱼,鳕鱼,脚鱼,啼鱼,腊狗
  【国家重点保护动物级别】:二级

中国大鲵属于两栖动物,它头部宽阔扁平,眼小口大,体格粗壮,尾巴扁长,体长可达1.8米,重约50公斤,靠扭动躯干和尾巴前进。因为它像鱼一样生活在水中,叫声又酷似婴儿哭,所以民间称它为娃娃鱼.
【生活习性】
  它不善于追捕,只是隐蔽在滩口的乱石间,发现猎物经过时,进行突然袭击。因它口中的牙齿又尖又密,猎物进入口内后很难逃掉。它的牙齿不能咀嚼,只是张口将食物囫囵吞下,然后在胃中慢慢消化。娃娃鱼有很强的耐饥本领,甚至二、三年不吃也不会饿死。它同时也能暴食,饱餐一顿可增加体重的五分之一。食物缺乏时,还会出现同类相残的现象,甚至以卵充饥。 喜食鱼、蟹、虾、蛙和蛇等水生动物。  
【分布状况】
  在云南的滇东北和滇东南的山溪中有发现,中国17个省区均有分布。

  生活在山区的清澈溪流中,一般都匿居在山溪的石隙间,洞穴位于水面以下。叫声也似婴儿啼哭,故俗称“娃娃鱼”。

  中国特有物种,产于华北、华中、华南和西南各省。心脏构造特殊,已经出现了一些爬行类的特征,具有重要的研究价值。数量稀少,需加强保护。  

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