| Specimen ID | 33724 |
| Group | Fishes |
| Genus | Percina |
| Species | shumardi |
| Common Name | River Darter |
| State | IL |
| County | Cook |
| Locality | Lake Michigan off-shore from Chicago |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Michigan |
| HUC8 Number | 04190000 |
| HUC10 Name | Lake Michigan |
| HUC10 Number | 0419000002 |
| HUC12 Name | Lake Michigan |
| HUC12 Number | 041900000200 |
| Map | |
| Collection Year | 1926 |
| Year Accuracy | Actual |
| Potential Pathway | canal |
| Status | failed |
| Reference 1 |
| Ref. Number: | 271 |
| Author: | Becker, G.C. |
| Date: | 1983 |
| Title: | Fishes of Wisconsin. |
| Publisher: | University of Wisconsin Press |
| Pages: | 1052 pp |
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| Comments | found in water system of City of Chicago; taken up from lake; gained entry either via glacial Lake Chicago or through the Chicago Sanitary and Ship Canal from Illinois River |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
