IUCN has assessed conservation status of 14 Sinogastromyzon species. Of these, ten are considered "Data Deficient", three of "Least Concern", and one (S. puliensis) "Vulnerable".[1]
There is some dispute over the species in this genus. This list derives primarily from the work of Kottelat, 2012, with the addition of subsequently described species. There are currently 21 recognized species in this genus:[2][3][4]