Balon's Ruffe
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Perciformes
- family: Percidae
- genus: Gymnocephalus
- species: Gymnocephalus baloni
- Tutrakan
Silistra
Bulgaria- Vadu Izei
00- Sighetu Marmaţiei
Maramureş
Romania- Kladovo
Central Serbia
Serbia- Spodnji Duplek
Duplek- Ptuj
Ptuj- Središče ob Dravi
Središče ob Dravi- Starše
Starše
Slovenia- Solotvyno
Transcarpathia
Ukraine