| Impact ID | 8489 |
| Impact Type | Disease/Parasite/Toxicity |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Dactylogyrus amphibothrium displays host specificity for percids, particularly in the genus Gymnocephalus. |
| Reference | 16507 |
| Cost | |
| Location | Lake Superior, Duluth, Minnesota |