Pseudobarbus leonhardi Bielz, 1853 Barbus meridionalis petenyi (Heckel, 1847) and see text Barbus peloponnesius is a ray-finned fish species in the family Cyprinidae.

The western Balkan barbel (B. rebeli) is sometimes included in the present species.

[2] Its natural habitats are rivers and freshwater lakes.

It is not considered a threatened species by the IUCN, however a subspecies, Barbus peloponnesius petenyi, is protected and considered threatened.

The latter can be found in the Danube basin, particularly in areas of the Duna-Ipoly National Park in Hungary.