Two new hypogean species of Triplophysa (Cypriniformes: Nemacheilidae) from the River Yangtze drainage in Guizhou, China

Two hypogean species of genus Triplophysa are herein described from two subterranean tributaries the River Yangtze drainage in Guiyang City, Guizhou Province, China. wudangensis, new species, can be distinguished its congeners by combination following characters: eye reduced, with diameter 5.1-6.5% HL; interorbital width 33.1-35.8% body scaleless; lateral line complete; posterior chamber air bladder degenerated; anterior nostril elongated barbel-like tip; distal margin dorsal fin truncate; 7, anal 5, and caudal 14 branched rays; vertebrae 4 + 34. qingzhenensis, 2.1-4.4% 25.1-30.4% 7-8, 36. Molecular phylogenetic analysis supported validity these indicated their close relationship rosa.