blind cavefish盲鱼
sympatric cavefish species同域穴居种
N（名词） any of various small freshwater cyprinodont fishes of the genera Amblyopsis, Chologaster, etc, living in subterranean and other waters in S North America 洞穴鱼; 一种穴居水窟中的小软鳍鱼科淡水鱼 → see also blindfish