| Specimen ID | 33813 |
| Group | Fishes |
| Genus | Neogobius |
| Species | melanostomus |
| Common Name | Round Goby |
| State | IL |
| County | Cook |
| Locality | Chicago River (R.M. 326.4) east of Michigan Avenue bridge (~.75 mi from Lake Michigan) |
| Mapping Accuracy | Accurate |
| HUC8 Name | Chicago |
| HUC8 Number | 07120003 |
| HUC10 Name | North Branch Chicago River-Chicago Sanitary and Ship Canal |
| HUC10 Number | 0712000301 |
| HUC12 Name | South Branch Chicago River-Chicago Sanitary and Ship Canal |
| HUC12 Number | 071200030107 |
| Map | |
| Collection Day | 8 |
| Collection Month | 6 |
| Collection Year | 1999 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Record Type | Personal communication |
| Verifier | Anjie Hintz, USFWS, Alpena, MI |
| Freshwater/Marine | Freshwater |