Specimen Information

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

Specimen ID877663
GroupMollusks-Bivalves
GenusDreissena
Speciespolymorpha
Common Namezebra mussel
StateMD
CountyBaltimore
LocalityDark Head Creek just W of Wilson Point
Mapping AccuracyAccurate
HUC8 NameGunpowder-Patapsco
HUC8 Number02060003
HUC10 NameBack River-Chesapeake Bay
HUC10 Number0206000307
HUC12 NameMiddle River
HUC12 Number020600030701
Map
+
Collection Day18
Collection Month8
Collection Year2015
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusunknown
Comments"Many small (<8mm) zebra mussels encrusted on older barnacles, dark falsemussels, and pebbles. Fisheries biologists noted that mussels were numerous and covering many surfaces of objects captured during trawl sampling of tributary."
Record TypePersonal communication
VerifierAshton, Matt - Maryland DNR
Freshwater/MarineFreshwater
Size<8mm


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. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [10/16/2019].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.