| Specimen ID | 4975 |
| Group | Crustaceans-Cladocerans |
| Genus | Cercopagis |
| Species | pengoi |
| Common Name | fishhook waterflea |
| State | MI |
| County | Leelanau |
| Locality | Lake Michigan in Suttons Bay (Grand Traverse Bay) |
| Mapping Accuracy | Approximate |
| HUC8 Name | Lake Michigan |
| HUC8 Number | 04190000 |
| Map | |
| Collection Day | 7 |
| Collection Month | 9 |
| Collection Year | 1999 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Comments | First report outside of Lake Ontario and Finger Lakes. |
| Record Type | Personal communication |
| Disposal | preserved |
| Verifier | Dr. Hugh MacIsaac, U. of Windsor, Ontario, Canada |
| Freshwater/Marine | Freshwater |
| Number Collected | 12-15 |
