Specimen Information

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

Specimen ID1657095
GroupMollusks-Bivalves
GenusDreissena
Speciespolymorpha
Common Namezebra mussel
StateTX
CountyMedina
LocalityMedina River at Medina Lake, a boat ramp near the mouth of Habys Cove
Mapping AccuracyAccurate
HUC8 NameMedina
HUC8 Number12100302
HUC10 NameMiddle Medina River
HUC10 Number1210030203
HUC12 NameElm Creek-Medina Lake
HUC12 Number121003020304
Map

NAS ARM

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Collection Day11
Collection Month2
Collection Year2021
Year AccuracyActual
Potential Pathwaydispersed | hitch hiker on small watercraft
Statusestablished
Reference 1
Ref. Number:35849
Author:Texas Parks and Wildlife Department.
Date:2021
Title:Lake Brownwood, Medina Lake, and Inks Lake Now Fully “Infested” with Zebra Mussels
Publisher:Lake Brownwood, Medina Lake, and Inks Lake Now Fully “Infested” with Zebra Mussels
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”
Reference 3
Ref. Number:42981
Date:2022
Title:GSARP spring meeting 2022
Pages:3 pp.
CommentsTexas Parks and Wildlife found 2 mussels. Bandera County River Authority & Groundwater District (BCRAGD) conducted a search on Feb. 24 and located a single zebra mussel attached to a settlement sampler at a dock approximately three miles upstream from the first location where zebra mussels were detected. Designated as established as of June 17, 2021.
Record TypePersonal communication
VerifierTexas Parks and Wildlife
Freshwater/MarineFreshwater
Number Collected4
Year ClassAdult


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/28/2024].

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