Specimen Information

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

Specimen ID116429
GroupMollusks-Bivalves
GenusDreissena
Speciespolymorpha
Common Namezebra mussel
StateTN
CountyMarion
LocalityTennessee River (River Mile 424.7) at Nickajack Lock and Dam, near Chattanooga, TN
Mapping AccuracyAccurate
HUC8 NameGuntersville Lake
HUC8 Number06030001
HUC10 NameWidows Creek-Tennessee River
HUC10 Number0603000102
HUC12 NameJones Creek-Tennessee River
HUC12 Number060300010201
Map
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Collection Day8
Collection Month7
Collection Year1992
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
CommentsThe zebra mussels found numbered in the hundreds. Most were attached to concrete on the miter sill at the upstream lock entrance. Some were found in the lock chamber attached to concrete wall, rocks, metal bolts, and pipes.
Record TypePersonal communication
Disposalsample preserved
Museum Cat NumberTVA Biology Lab
VerifierTVA biologists
Freshwater/MarineFreshwater
Number Collectedthsnds
Year Classadult
Size13 - 31 mm


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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. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/27/2022].

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