| Impact ID | 5781 |
| Impact Type | Predation/Herbivory |
| Study Type | Anecdotal |
| Study Location | Field |
| Impact Description | The gut contents of European eels, Anguilla anguilla, from alimentary canals in the Dead Vistula had traces of Harris mud crab, Rhithropanopeus harrisii in their gut contents. |
| Reference | 38063 |
| Cost | |
| Location | Dead Vistula, Poland |