| Impact ID | 8520 |
| Impact Type | Biocontrol |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Non-native Great Lakes species found harboring larval or immature Ichthyocotylurus pileatus include Eurasian ruffe (Gymnocephalus cernua). |
| Reference | 16437 |
| Cost | |
| Location | Lake Superior, USA |