Dreissena polymorpha
Dreissena polymorpha
(zebra mussel)
Mollusks-Bivalves
Exotic
Collection Info
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Impacts

18 results for Dreissena polymorpha (zebra mussel)
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Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1886721 TXComalCanyon Lake2022 12100201 Upper Guadalupe 
1886723 TXComalCanyon Lake2022 12100201 Upper Guadalupe 
1886725 TXComalCanyon Lake2022 12100201 Upper Guadalupe 
1886731 TXComalCanyon Lake2022 12100201 Upper Guadalupe 
1886727 TXComalCanyon Lake, Cranes Mill Park2022 12100201 Upper Guadalupe 
1886729 TXComalCanyon Lake, Cranes Mill Park2022 12100201 Upper Guadalupe 
1713655 TXComalCanyon Lake, Texas2017 12100201 Upper Guadalupe 
1713656 TXComalCanyon Lake, Texas2018 12100201 Upper Guadalupe 
1713657 TXComalCanyon Lake, Texas2019 12100201 Upper Guadalupe 
1713658 TXComalCanyon Lake, Texas2019 12100201 Upper Guadalupe 
1713659 TXComalCanyon Lake, Texas2020 12100201 Upper Guadalupe 
1713660 TXComalCanyon Lake, Texas2020 12100201 Upper Guadalupe 
1713661 TXComalCanyon Lake, Texas2021 12100201 Upper Guadalupe 
1713662 TXComalCanyon Lake, Texas2021 12100201 Upper Guadalupe 
1406841 TXComalGuadalupe River at Canyon Lake (marina)2017 12100201 Upper Guadalupeestablished
1467126 TXComalGuadalupe River at Canyon Lake, Turkey Cove2018 12100201 Upper Guadalupeestablished
1886733 TXComalNear Potter Creek Park, Canyon Lake2022 12100201 Upper Guadalupe 
1886735 TXComalPotter Creek Park, Canyon Lake2022 12100201 Upper Guadalupe 

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/4/2025].

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