a small colourless fish which lives only in limestone caves in North America. It has reduced or absent eyes, and the head and body are covered with papillae which are sensitive to vibration 洞穴鱼
Family Amblyopsidae: four genera, in particular Amblyopsis and Typhlichthys 短面鱼科: 4属,尤指洞鲈属及盲鳉鲈属