Specimen Information

Limnoperna fortunei
Limnoperna fortunei
(Golden Mussel)
Mollusks-Bivalves
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

Specimen ID1886545
GroupMollusks-Bivalves
GenusLimnoperna
Speciesfortunei
Common NameGolden Mussel
StateCA
CountyContra Costa
LocalityContra Costa Canal
Mapping AccuracyAccurate
HUC8 NameSan Joaquin Delta
HUC8 Number18040003
HUC10 NameMiddle River-San Joaquin River
HUC10 Number1804000309
HUC12 NameMarkley Canyon-San Joaquin River
HUC12 Number180400030907
Map
Collection Day4
Collection Month9
Collection Year2025
Year AccuracyActual
Potential Pathwaydispersed | hitch hiker on small watercraft
CommentsContra Costa Water District Pumping Plant 4. Three juvenile to adult sized golden mussels collected by maintenance staff near CCWD's Pumping Plant 4, brought to CCWD lab. Field staff reported there are some more around as well. Map location tagged is rough, not precise.
Record TypeNAS sighting report
VerifierJessie Trueman (California Department of Fish and Wildlife)
Freshwater/MarineFreshwater
Photo
Limnoperna fortunei

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/5/2025].

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