| Specimen ID | 1420785 |
| Group | Fishes |
| Genus | Pylodictis |
| Species | olivaris |
| Common Name | Flathead Catfish |
| State | MD |
| County | Montgomery |
| Locality | White's Ferry |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Potomac-Catoctin |
| HUC8 Number | 02070008 |
| HUC10 Name | Tuscarora Creek-Potomac River |
| HUC10 Number | 0207000804 |
| HUC12 Name | Limestone Branch-Potomac River |
| HUC12 Number | 020700080403 |
| Map | |
| Collection Year | 2017 |
| Year Accuracy | Actual |
| Potential Pathway | stocked illegally |
| Status | established |
| Comments | Lower limit in the upper Potomac River |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |