| Impact ID | 3682 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Its diet was exclusively of animal origin with significant dominance of and preference for two food items – chironomid (Chironomidae) larvae and waterlouse (Asellus aquaticus), |
| Reference | 34312 |
| Cost | |
| Location | Dyje River |