| Specimen ID | 646597 |
| Group | Fishes |
| Genus | Neogobius |
| Species | melanostomus |
| Common Name | Round Goby |
| State | IL |
| County | Mason |
| Locality | Illinois River (RM 106) |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Illinois-Lake Chautauqua |
| HUC8 Number | 07130003 |
| HUC10 Name | Wilson Creek-Illinois River |
| HUC10 Number | 0713000310 |
| HUC12 Name | Elm Creek |
| HUC12 Number | 071300031004 |
| Map | |
| Collection Day | 19 |
| Collection Month | 8 |
| Collection Year | 2014 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water | dispersed |
| Status | unknown |
| Record Type | Personal communication |
| Verifier | U.S. Fish and Wildlife Service |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Size | 49 mm |