Specimen Information

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

Specimen ID1932907
GroupMollusks-Bivalves
GenusDreissena
Speciespolymorpha
Common Namezebra mussel
StateTX
CountyDallas
LocalityBird’s Fort Park - boat ramp
Mapping AccuracyAccurate
HUC8 NameElm Fork Trinity
HUC8 Number12030103
HUC10 NameTimber Creek-Elm Fork Trinity River
HUC10 Number1203010310
HUC12 NameFarmers Branch-Elm Fork Trinity River
HUC12 Number120301031005
Map
Collection Day9
Collection Month6
Collection Year2026
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Record TypeNAS sighting report
VerifierWesley Daniel (USGS)
Freshwater/MarineFreshwater
Photo
Dreissena polymorpha


Disclaimer:

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [7/9/2026].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.