Lefua
Lefua is a genus of stone loaches native to East Asia. Members of this genus possess nostrils and barbels around their mouths. They generally have column-shaped bodies and are good swimmers.
Species
There are currently eight recognized species in this genus:Lefua costata Lefua echigonia D. S. Jordan & R. E. Richardson, 1907 Lefua nikkonis Lefua nishimurai Lefua pleskei Lefua sayu Lefua tokaiensis- ''Lefua torrentis''