Western tubenose goby (Proterorhinus semilunaris)

General data
- Main name: Western tubenose goby
- Climates: Continental
- Habitat: Freshwater
- Native: Europe
- Introduced: North America
- Distribution: Danube, Struma (Strymonas), Maritsa (Evros), Rhine, Dnieper, Southern Bug, View all... St. Lawrence River
Classification
- Genus: Proterorhinus - Tubenose gobies
- Family: Gobiidae - Gobies
- Order: Gobiiformes - Gobies
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes