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NAS - Nonindigenous Aquatic Species



Dreissena polymorpha
(zebra mussel)
Collection Information Available collection info
Interactive Maps maps
FactSheet Available fact sheet
Mollusks-Bivalves
Exotic to United States


Specimen ID259014
GroupMollusks-Bivalves
GenusDreissena
Speciespolymorpha
Common Namezebra mussel
StateMD
CountyHarford
LocalitySusquehanna River at Conowingo Dam [in Conowingo Village]
HUC8 NameLower Susquehanna
HUC8 Number2050306
Latitude39.658
Longitude-76.174
Lat-Long SourceMap derived
Lat-Long AccuracyAccurate
Map
Day24
Month11 (November)
Year2008
Year Accuracy (Specimen)Actual
Primary Pathwayshipping ballast water
Statuscollected
CommentsFound alive inside a hydroelectric plant water intake.
Record TypeWebsite
VerifierPennsylvania Dept. Env. Protection
Fresh/Marine IntroductionFreshwater
Number Collected/Observed1
Specimen Size0.5 in.




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U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Pam Fuller - NAS Program
 URL: <http://nas.er.usgs.gov/queries/specimenviewer.asp?SpecimenID=259014>
This File (/queries/specimenviewer.asp) Last Modified On: 7/31/2008 4:53:32 PM

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