Specimen Information

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

Specimen ID1932706
GroupMollusks-Bivalves
GenusDreissena
Speciespolymorpha
Common Namezebra mussel
StateCT
CountyFairfield
LocalityLake Candlewood, south part of lake at beach near Boat Rd.
Mapping AccuracyAccurate
HUC8 NameHousatonic
HUC8 Number01100005
HUC10 NameLake Candlewood-Housatonic River
HUC10 Number0110000506
HUC12 NameLake Candlewood
HUC12 Number011000050601
Map
Collection Day9
Collection Month3
Collection Year2026
Year AccuracyActual
Record TypeNAS sighting report
VerifierC. Morningstar, USGS
Photo
Zebra mussels are in the cracks of rocks out of the water on the side of a lake.


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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/23/2026].

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