RhinogobioRhinogobio is a genus of freshwater ray-finned fish belonging to the family Gobionidae, the gudgeons. The fishes in this genus are endemic to China.SpeciesThere are currently five recognized species in this genus:Rhinogobio cylindricus Günther, 1888Rhinogobio hunanensis J. H. Tang, 1980Rhinogobio nasutus Rhinogobio typus Bleeker, 1871Rhinogobio ventralis Sauvage & Dabry de Thiersant, 1874