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NAS - Nonindigenous Aquatic Species



Dreissena polymorpha
(zebra mussel)
Mollusks-Bivalves
Exotic to United States


Specimen ID117123
GroupMollusks-Bivalves
GenusDreissena
Speciespolymorpha
Common Namezebra mussel
StatePA
CountyWestmoreland
LocalityAllegheny River (R.M. 24.2) at Lock 4 near Natrona, PA
HUC8 NameLower Allegheny
HUC8 Number5010009
Latitude40.6141281128
Longitude-79.7159881592
Lat-Long SourceMap derived
Lat-Long Accuracyaccurate
Map
Day27
Month10 (October)
Year1994
Year Accuracy (Specimen)Actual
Contact[not displayed for privacy reasons]
Primary Pathwayshipping
Statusestablished
Record TypePersonal communication
VerifierLinda Stafford, biologist, USACOE, Pittsburgh, PA
Fresh/Marine IntroductionFreshwater
Number Collected/Observed2
Year Classadult
Specimen Size26 - 30 mm





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