| Impact ID | 5267 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Illegally stocked Osmerus eperlanus in Lake Masolzero, Russia have outcompeted other planktivores and become the dominant food item for predatory fish in the lake |
| Reference | 38110 |
| Cost | |
| Location | Lake Masolzero, Russia |