| Impact ID | 3644 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Two out of four invasive gobiids (Neogobius kessleri and Proterorhinus semilunaris) appeared to be competitive for shelter and are suggested to be competitively superior when this resource is limiting. The bullhead Cottus perifretum was especially vulnerable to this
competition. |
| Reference | 34241 |
| Cost | |
| Location | |