| Impact ID | 9142 |
| Impact Type | Predation/Herbivory |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | The introduction of zander (Sander lucioperca) in a Turkish lake led to a shift in habitat use for pelagic fish species and greatly increased crayfish abundance. |
| Reference | 31500 |
| Cost | |
| Location | |