| Specimen ID | 166812 |
| Group | Fishes |
| Genus | Dorosoma |
| Species | petenense |
| Common Name | Threadfin Shad |
| State | IL |
| County | Grundy |
| Locality | Mazon River, S of Morris, at mouth |
| 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 Day | 31 |
| Collection Month | 10 |
| Collection Year | 2000 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed |
| Status | established |
| Record Type | Specimen |
| Museum Cat Number | INHS 91258 |
| Freshwater/Marine | Freshwater |
| Number Collected | 4 |
| Number Preserved | 4 |
