| Specimen ID | 238186 |
| Group | Fishes |
| Genus | Dorosoma |
| Species | petenense |
| Common Name | Threadfin Shad |
| State | IL |
| County | Grundy |
| Locality | Illinois River (R.M. 260.6) [~7 mi E of Seneca] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Illinois |
| HUC8 Number | 07120005 |
| HUC10 Name | Waupecan Creek-Illinois River |
| HUC10 Number | 0712000507 |
| HUC12 Name | Bills Run-Illinois River |
| HUC12 Number | 071200050705 |
| Map | |
| Collection Year | 1996 |
| Year Accuracy | Estimated |
| Potential Pathway | unknown |
| Status | established |
| Comments | Caught between 1988-2005. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 14 |