| Specimen ID | 1546625 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | TX |
| County | Guadalupe |
| Locality | Guadalupe River, at Lake Placid |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Guadalupe |
| HUC8 Number | 12100202 |
| HUC10 Name | Comal River-Guadalupe River |
| HUC10 Number | 1210020201 |
| HUC12 Name | Youngs Creek-Guadalupe River |
| HUC12 Number | 121002020108 |
| Map | |
| Collection Month | 5 |
| Collection Year | 2019 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | dispersed |
| Status | established |
| Reference 1 |
| Ref. Number: | 33145 |
| Author: | Texas Parks and Wildlife. |
| Date: | 2019 |
| Title: | The Zebra Mussel Threat |
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| Reference 2 |
| Ref. Number: | 35850 |
| Author: | Texas Parks and Wildlife Department. |
| Date: | 2021 |
| Title: | Zebra Mussels Detected at Medina Lake, Lake Placid Designated as “Infested” |
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| Comments | Zebra mussels or their larvae have been found only once in recent years. Texas Parks and Wildlife declared the lake as fully infested in March 2021. |
| Record Type | Literature |
| Verifier | Texas Parks and Wildlife |
| Freshwater/Marine | Freshwater |
