| Specimen ID | 263718 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | MI |
| County | Keweenaw |
| Locality | Lake Superior, Washington Harbor at the Windigo Bay Dock, Isle Royale |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Superior |
| HUC8 Number | 04180000 |
| HUC10 Name | Lake Superior |
| HUC10 Number | 0418000002 |
| HUC12 Name | Lake Superior |
| HUC12 Number | 041800000200 |
| Map | |
| Collection Day | 21 |
| Collection Month | 9 |
| Collection Year | 2009 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | unknown |
| Comments | 1 lone zebra mussel found at Mott Harbor, east/south side of the island. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | ~24 |
| Size | 1-3 cm |
