| Specimen ID | 33717 |
| Group | Fishes |
| Genus | Neogobius |
| Species | melanostomus |
| Common Name | Round Goby |
| State | IL |
| County | Cook |
| Locality | Calumet River near the outlet of Wolf Creek near the Ford plant (south of Chicago area) |
| Mapping Accuracy | Accurate |
| HUC8 Name | Little Calumet-Galien |
| HUC8 Number | 04040001 |
| HUC10 Name | Calumet River-Frontal Lake Michigan |
| HUC10 Number | 0404000106 |
| HUC12 Name | Calumet River-Frontal Lake Michigan |
| HUC12 Number | 040400010606 |
| Map | |
| Collection Month | 1 |
| Collection Year | 1993 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Comments | believed to be the first specimen collected in the Lake Michigan area. |
| Record Type | Personal communication |
| Earliest Record | state |
| Disposal | Ann Arbor Museum |
| Verifier | Jim Francis, Indiana DNR, Michigan City, IN 219-87 |
| Freshwater/Marine | Freshwater |
| Number Collected | 6 |
