Specimen Information

Dreissena polymorpha
Dreissena polymorpha
(zebra mussel)
Mollusks-Bivalves
Exotic

Specimen ID1447353
GroupMollusks-Bivalves
GenusDreissena
Speciespolymorpha
Common Namezebra mussel
StateTX
CountyWilliamson
LocalityNorth Fork San Gabriel River, at Lake Georgetown
Mapping AccuracyApproximate
HUC8 NameSan Gabriel
HUC8 Number12070205
Map
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Collection Day27
Collection Month10
Collection Year2017
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
Reference 1
Ref. Number:31100
Author:Texas Parks and Wildlife Department
Date:2017
Title:The zebra mussel threat
Reference 2
Ref. Number:32298
Author:Farooqi, M., and M. De Jesus.
Date:2018
Title:Georgetown Reservoir 2017 Fisheries Management Survey Report 
Publisher:Texas Parks and Wildlife Department, Inland Fisheries Division
Pages:36 pp
Comments2017 TPWD classification as an Infested Lake after discovering larvae in routine water samples and young zebra mussels were found attached to rocks along the shoreline by BRA and TPWD.
Record TypeLiterature
VerifierTexas Parks and Wildlife Department
Freshwater/MarineFreshwater


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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/27/2021].

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