| Impact ID | 9631 |
| Impact Type | Disease/Parasite/Toxicity |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In the Great Lakes, larval or immature Ichthyocotylurus pileatus have been detected in walleye at 47% prevalence (15 fish examined) with moderate infections. |
| Reference | 24347 |
| Cost | |
| Location | Great Lakes, USA |