| Impact ID | 6973 |
| Impact Type | Disease/Parasite/Toxicity |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Studies suggest that due to biomagnification of contaminants from mysids to fish, levels of PCB and mercury in pelagic fish are higher in North American lakes that contain mysids compared to those that lack mysids. |
| Reference | 16403 |
| Cost | |
| Location | |