| Specimen ID | 275453 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | TX |
| County | Rockwall |
| Locality | East Fork Trinity River, at Ray Hubbard Lake marina |
| Mapping Accuracy | Accurate |
| HUC8 Name | East Fork Trinity |
| HUC8 Number | 12030106 |
| HUC10 Name | East Fork Trinity River-Lake Ray Hubbard |
| HUC10 Number | 1203010604 |
| HUC12 Name | Rowlett Creek-East Fork Trinity River |
| HUC12 Number | 120301060409 |
| Map | |
| Collection Day | 3 |
| Collection Month | 5 |
| Collection Year | 2011 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | unknown |
| Comments | Live specimen was attached to bottom of concrete boat ramp at marina (approx. 8 feet depth). See voucher photo. |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Year Class | adult |
| Size | 18 mm |
| Photo | |