国家二级保护动物娃娃鱼,正日渐稀少。但在陕西省城固县有一个叫戴铭恒的人,却投巨资挖山洞数百米,养殖娃娃鱼,产值上亿元。娃娃鱼又叫大鲵,在地球上已有3.5亿年,被誉为水中熊猫、会游动的活化石,具有很高的科研、药用、食用和观赏价值。我国 National secondary protection animals salamander, is increasingly scarce. However, in Chenggu County, Shaanxi Province, there is a person named Dai Mingheng, who has invested heavily in digging hundreds of meters of caves and breeding salamander, with a production value of over 100 million yuan. Giant salamander, also known as the giant salamander, has 350 million years on earth and is known as a living fossil of panda in water. It has high scientific, medicinal, edible and ornamental value. My country