Specimen Information

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

Specimen ID1740291
GroupMollusks-Bivalves
GenusLimnoperna
Speciesfortunei
Common NameGolden Mussel
StateCA
CountySan Joaquin
LocalitySan Joaquin River near Stockton
Mapping AccuracyAccurate
HUC8 NameSan Joaquin Delta
HUC8 Number18040003
HUC10 NameFivemile Creek-San Joaquin River
HUC10 Number1804000305
HUC12 NameBurns Cutoff-San Joaquin River
HUC12 Number180400030501
Map
Collection Day5
Collection Month11
Collection Year2024
Year AccuracyActual
Potential Pathwayshipping ballast water | dispersed current | hitch hiker
Statusunknown
CommentsJust downstream of Stockton Water Treatment Plant. Found on pilings on USGS water monitoring station.
Record TypeNAS sighting report
VerifierJ. Trueman, California Department of Fish and Wildlife
Number Collected7
Photo
Limnoperna fortunei
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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/17/2026].

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