| Specimen ID | 1340327 |
| Group | Fishes |
| Genus | Pylodictis |
| Species | olivaris |
| Common Name | Flathead Catfish |
| State | MD |
| County | Washington |
| Locality | Potomac River at Williamsport |
| Mapping Accuracy | Accurate |
| HUC8 Name | Conococheague-Opequon |
| HUC8 Number | 02070004 |
| HUC10 Name | Conococheague Creek |
| HUC10 Number | 0207000408 |
| HUC12 Name | Meadow Brook-Conococheague Creek |
| HUC12 Number | 020700040807 |
| Map | |
| Collection Year | 2002 |
| Year Accuracy | Actual |
| Potential Pathway | stocked illegally |
| Status | unknown |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
