| Impact ID | 3680 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Although cottids are presently believed to be most vulnerable to gobiid invasion, we observed no
negative trend in bullhead abundance over the 8-year dataset, the population remaining stable and at similar
abundances to gobiids. |
| Reference | 34308 |
| Cost | |
| Location | |