| Specimen ID | 1256664 |
| Group | Fishes |
| Genus | Ctenopharyngodon |
| Species | idella |
| Variety | diploid |
| Common Name | Grass Carp (diploid) |
| State | IL |
| County | Grundy |
| Locality | Illinois River |
| 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 | 27 |
| Collection Month | 4 |
| Collection Year | 2016 |
| Year Accuracy | Actual |
| Potential Pathway | stocked for biocontrol | dispersed |
| Status | unknown |
| Comments | LFHC Carp DB 16-012-01. Diploid specimen. Gravid female. |
| Record Type | Personal communication |
| Verifier | U.S. Fish and Wildlife Service |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Size | 912 mm TL |
| Number of Breeding Females | 1 |