| Impact ID | 5757 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Smaller European eels, Anguilla anguilla, that fed primarily on invertebrates had a greater number of Anguillicola crassus
nematode parasites than larger eels that ate predominantly fish. |
| Reference | 40138 |
| Cost | |
| Location | Loch Lomond, Scotland |