| Specimen ID | 117721 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | AR |
| County | Pope |
| Locality | Arkansas River, Dardanelle Reservoir, at Lake Dardanelle State Park waters |
| Mapping Accuracy | Accurate |
| HUC8 Name | Dardanelle Reservoir |
| HUC8 Number | 11110202 |
| HUC10 Name | Lower Illinois Bayou |
| HUC10 Number | 1111020210 |
| HUC12 Name | Prairie Creek-Illinois Bayou |
| HUC12 Number | 111102021005 |
| Map | |
| Collection Day | 29 |
| Collection Month | 7 |
| Collection Year | 1997 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Eighty percent died from high water temperatures over the past two weeks. Water temperature was 32C for 5 days. |
| Record Type | Personal communication |
| Verifier | Dr. Charlie Gagen, Arkansas Tech University |
| Freshwater/Marine | Freshwater |
| Year Class | adult |