Specimen Information

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

Specimen ID1732331
GroupMollusks-Bivalves
GenusDreissena
Speciespolymorpha
Common Namezebra mussel
StateTX
CountyVal Verde
LocalityLake Amistad near Del Rio on the Rio Grande River
Mapping AccuracyAccurate
HUC8 NameLower Devils
HUC8 Number13040302
HUC10 NameEvans Creek-Amistad Reservoir
HUC10 Number1304030204
HUC12 NameSan Pedro Creek-Amistad Reservoir
HUC12 Number130403020404
Map
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Collection Month2
Collection Year2024
Year AccuracyActual
Statusestablished
CommentsTexas Parks and Wildlife Department has designated the International Amistad Reservoir along the TX-Mexico Border as “infested” with reproducing zebra mussels. Low water revealed settled adult mussels in multiple locations after detections of veligers in June 2022.
Record TypePersonal communication
VerifierTexas Parks and Wildlife Department
Year Classadult


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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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/2/2024].

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