Danube whitefin gudgeon (Romanogobio vladykovi)

General data
- Main name: Danube whitefin gudgeon
- Climates: Temperate, Continental
- Habitat: Freshwater
- Native: Europe
- Distribution: Danube, Volga
Classification
- Genus: Romanogobio - Gudgeons
- Family: Gobionidae - Gudgeons
- Order: Cypriniformes - Carps
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes