| Specimen ID | 1924616 |
| Group | Fishes |
| Genus | Neogobius |
| Species | melanostomus |
| Common Name | Round Goby |
| State | IL |
| County | Monroe |
| Locality | Mississippi River, upstream of confluence with Meramac River, river mile 170.5 |
| Mapping Accuracy | Accurate |
| HUC8 Name | Cahokia-Joachim |
| HUC8 Number | 07140101 |
| HUC10 Name | Prairie duPont Creek-Mississippi River |
| HUC10 Number | 0714010105 |
| HUC12 Name | Palmer Creek-Mississippi River |
| HUC12 Number | 071401010507 |
| Map | |
| Collection Day | 8 |
| Collection Month | 7 |
| Collection Year | 2025 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed |
| Record Type | NAS sighting report |
| Verifier | M. Miller (Missouri Department of Conservation) |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Photo | |
