Specimen Information

Xenostrobus securis
Xenostrobus securis
(axe-head mussel)
Mollusks-Bivalves
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

Specimen ID1753357
GroupMollusks-Bivalves
GenusXenostrobus
Speciessecuris
Common Nameaxe-head mussel
StateCA
CountyLos Angeles
LocalityDominguez Channel at S. Wilmington Ave.
Mapping AccuracyAccurate
HUC8 NameSan Gabriel
HUC8 Number18070106
HUC10 NameDominguez Channel
HUC10 Number1807010601
HUC12 NameLower Dominguez Channel
HUC12 Number180701060102
Map

NAS ARM
Collection Day6
Collection Month12
Collection Year2024
Year AccuracyActual
Potential Pathwayshipping ballast water | hitch hiker
Statusestablished
CommentsSpecimens collected by CDFW. DNA species confirmation conducted by CDFA lab. Found during monitoring for golden mussels.
Record TypeNAS sighting report
Earliest Recordcounty
VerifierCalifornia Department of Fish and Wildlife
Freshwater/MarineBrackish
Number Collected20
Photo
A hand holds a small cluster of rocks with a small, brown mussel attached.
A human palm is spread and on it sits eight small mussels.

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 [12/20/2025].

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