Specimen Information

Dreissena rostriformis bugensis
Dreissena rostriformis bugensis
(quagga mussel)
Mollusks-Bivalves
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

Specimen ID1897719
GroupMollusks-Bivalves
GenusDreissena
Speciesrostriformis
Subspeciesbugensis
Common Namequagga mussel
StateCA
CountyLos Angeles
LocalityPlunge Pool below Pyramid Lake Dam
Mapping AccuracyAccurate
HUC8 NameSanta Clara
HUC8 Number18070102
HUC10 NameLower Piru Creek
HUC10 Number1807010206
HUC12 NameFish Creek-Piru Creek
HUC12 Number180701020602
Map
Collection Day6
Collection Month6
Collection Year2024
Year AccuracyActual
CommentsConfirmed via CPLM microscopy, PCR analysis and genetic sequencing.
Record TypeNAS sighting report
VerifierJessie Trueman (California Department of Fish and Wildlife)
Freshwater/MarineFreshwater
Photo
Dreissena rostriformis bugensis
Dreissena rostriformis bugensis
Dreissena rostriformis bugensis
Dreissena rostriformis bugensis

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 [4/10/2026].

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