| Specimen ID | 1872889 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | TX |
| County | Tom Green |
| Locality | Lake Nasworthy, San Angelo |
| Mapping Accuracy | Accurate |
| HUC8 Name | South Concho |
| HUC8 Number | 12090102 |
| HUC10 Name | Pecan Creek-South Concho River |
| HUC10 Number | 1209010205 |
| HUC12 Name | Twin Buttes Reservoir-South Concho River |
| HUC12 Number | 120901020507 |
| Map
NAS ARM
| |
| Collection Month | 11 |
| Collection Year | 2024 |
| Year Accuracy | Actual |
| Status | established |
| Reference 1 |
| Ref. Number: | 45392 |
| Author: | Texas Parks and Wildlife |
| Date: | 2025 |
| Title: | Texas state report Gulf and South Atlantic Regional Panel on AIS |
| Publisher: | Texas Parks and Wildlife Department |
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| Comments | Planton samples detected zebra mussel veligers and subsequent shoreline sampling revealed one settled adult mussel. Due to multiple life stages present, Lake Nasworthy is considered infested by zebra mussels by Texas Parks and Wildlife. |
| Record Type | Literature |
| Verifier | Texas Parks and Wildlife |
| Year Class | larvae, adults |
