Oxynoemacheilus parvinae is a species of stone loach which is endemic to the drainage of the Sirvan River relatively clear water of a gravel substrate .
The drainage of the Sirvan River is a tributary of the Tigris in Kermanshah Province of Iran where it prefers reasonable fast flowing .
Oxynoemacheilus parvinae is a species of stone loach which is endemic to the drainage of the Sirvan River , a tributary of the Tigris in Kermanshah Province of Iran where it prefers reasonable fast flowing , relatively clear water of a gravel substrate .