| Impact ID | 5431 |
| Impact Type | Predation/Herbivory |
| Study Type | Anecdotal |
| Study Location | Field |
| Impact Description | Mud crabs Rhithropanopeus harrisii were found in stomachs of several predatory fish (perch, fourhourned sculpin, roach, and pikeperch) according to local fishermen, and so effects on food webs were expected. |
| Reference | 38068 |
| Cost | |
| Location | Baltic Sea |