形态描述
体前部粗长,圆筒形,略平扁,后部侧扁。头宽圆,平扁。口下位,弧形。唇光滑,下唇中央略凹。须3对(吻须2对,口角须1对)。眼退化,外观已不存在。前后鼻孔间有短距,后孔大,前孔具短管。体无鳞,前部有数个侧线孔。背鳍活时体半透明,略带肉红色,鳍透明。固定后体灰白色
生物学
This species belongs to fishes living in karst caves and its demand on the environment of its habitat is rather strict. The fish lives in subterranean rivers in karst caves, the currents of which are clear and the temperature is low. Life in such special habitat of karst subterranean river is the result of immensely long period of adaptation
国内分布
Wuming County in Guangxi Prov.