| record potential | water |
| Russian Sturgeon
Stellate Sturgeon Sterlet Huchen Common Carp Asp Barbel/Dnyepr Barbel Danube Bleak Wels |
Black Sea Black Sea Danube River Danube River system Raduta Reservoir Danube River system Danube River Danube River Danube Delta |
| continent country capital population sq km |
Europe
|
| background |
| record potential | water |
| Volga Zander | Danube River |