Specimen Information

Arcuatula senhousia
Arcuatula senhousia
(Asian date mussel)
Mollusks-Bivalves
Exotic

Specimen ID1757705
GroupMollusks-Bivalves
GenusArcuatula
Speciessenhousia
Common NameAsian date mussel
StateCA
CountyContra Costa
LocalitySan Pablo Bay Wildlife Area
Mapping AccuracyAccurate
HUC8 NameSan Pablo Bay
HUC8 Number18050002
HUC10 NameSan Pablo Bay
HUC10 Number1805000208
HUC12 NameNovato Creek-Frontal San Pablo Bay Estuaries
HUC12 Number180500020801
Map
Collection Day20
Collection Month1
Collection Year2025
Year AccuracyActual
Statusestablished
Record TypeNAS sighting report
VerifierCalifornia Department of Fish and Wildlife
Number Collected50
Photo
Mussels are attached to rocks in a saltwater area along the coast.
Mussels are attached to rocks in a saltwater area along the coast.
Mussels are attached to rocks in a saltwater area along the coast.
Mussels are attached to rocks in a saltwater area along the coast.


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 [1/12/2026].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

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