Specimen Information

Carcinus maenas
Carcinus maenas
(green crab)
Crustaceans-Crabs
Exotic

Specimen ID1737165
GroupCrustaceans-Crabs
GenusCarcinus
Speciesmaenas
Common Namegreen crab
StateCA
CountyAlameda
LocalitySan Francisco Bay at Emeryville fishing pier
Mapping AccuracyAccurate
HUC8 NameSan Pablo Bay
HUC8 Number18050002
HUC10 NameSan Francisco Bay
HUC10 Number1805000210
HUC12 NameRichardson Bay-San Francisco Bay
HUC12 Number180500021002
Map
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Collection Day23
Collection Month8
Collection Year2024
Year AccuracyActual
Potential Pathwaydispersed current
Statusestablished
Record TypeNAS sighting report
VerifierC. Morningstar, USGS


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 [2/16/2025].

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.