| Impact ID | 5530 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | Field |
| Impact Description | The invasion of tubenose goby (Proterorhinus semilunaris) has led to competition for shoreline habitat with native benthic fish in the River Danube, Slovakia. Native bullhead (Cottus gobio), white-finned gudgeon (Gobio albipinnatus), and stone loach (Barbatula barbatula) populations have declined. |
| Reference | 35733 |
| Cost | |
| Location | River Danube, Slovakia |