| Impact ID | 4194 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | the presence of Phoxinus phoxinus in Lake Øvre Heimdalsvatn has resulted in reduced recruitment and reduced annual individual growth rates in Brown Trout via the predation of Brown Trout alevins by P. phoxinus |
| Reference | 35623 |
| Cost | |
| Location | |