| Specimen ID | 1695574 |
| Group | Fishes |
| Genus | Ctenopharyngodon |
| Species | idella |
| Variety | diploid |
| Common Name | Grass Carp (diploid) |
| State | IL |
| County | Cook |
| Locality | Calumet River, just upstream of T.J. O'Brien Lock and Dam |
| Mapping Accuracy | Accurate |
| HUC8 Name | Chicago |
| HUC8 Number | 07120003 |
| HUC10 Name | Calumet Sag Channel-Little Calumet River |
| HUC10 Number | 0712000304 |
| HUC12 Name | Grand Calumet River-Calumet River |
| HUC12 Number | 071200030407 |
| Map | |
| Collection Day | 19 |
| Collection Month | 5 |
| Collection Year | 2022 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed | stocked for biocontrol |
| Status | unknown |
| Record Type | Personal communication |
| Verifier | Illinois Department of Natural Resources |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Size | 1125 mm TL; over 15000 g |
| Number of Females | 1 |
