| Specimen ID | 33579 |
| Group | Fishes |
| Genus | Neogobius |
| Species | melanostomus |
| Common Name | Round Goby |
| State | IL |
| County | Will |
| Locality | Chicago Sanitary and Ship Canal (Illinois River Mile 290.4) just above Joliet, IL |
| Mapping Accuracy | Accurate |
| HUC8 Name | Des Plaines |
| HUC8 Number | 07120004 |
| HUC10 Name | Chicago Sanitary and Ship Canal-Des Plaines River |
| HUC10 Number | 0712000407 |
| HUC12 Name | Goose Lake-Des Plaines River |
| HUC12 Number | 071200040706 |
| Map | |
| Collection Day | 20 |
| Collection Month | 10 |
| Collection Year | 1999 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Comments | Furthest down river to date. |
| Record Type | Personal communication |
| Verifier | Mark Steingraeber, USFWS |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
