| Specimen ID | 33713 |
| Group | Fishes |
| Genus | Neogobius |
| Species | melanostomus |
| Common Name | Round Goby |
| State | IL |
| County | Cook |
| Locality | Lake Michigan in Calumet Harbor (Chicago area) |
| 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 | 1995 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Comments | breeding extensively; densities of young-of-year (counted in multiple 60cm square quadrats) average 46/m2, adults average 13/m2 |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Year Class | YOY & ad |
| Size | density YOY 46/m2, Adult 13/m2 |
