Specimen Information

Hemigrapsus sanguineus
Hemigrapsus sanguineus
(Asian shore crab)
Crustaceans-Crabs
Exotic
Collection Info
Point Map
Species Profile
Animated Map

Specimen ID850592
GroupCrustaceans-Crabs
GenusHemigrapsus
Speciessanguineus
Common NameAsian shore crab
StateMA
CountySuffolk
LocalityGeorges Island in Boston Harbor
Mapping AccuracyAccurate
HUC8 NameCharles
HUC8 Number01090001
HUC10 NameSaugus River-Frontal Broad Sound
HUC10 Number0109000110
HUC12 NameOutlet Saugus River-Frontal Broad Sound
HUC12 Number010900011009
Map
Collection Day17
Collection Month5
Collection Year2015
Year AccuracyActual
Potential Pathwayshipping ballast water
Statusestablished
Comments"Juvenile crabs were very abundant under rocks in the intertidal zone. I believe the species to be Asian shore crab. All individuals looked similar so I assume it was the only species observed."
Record TypePersonal communication
Freshwater/MarineMarine
Photo
Hemigrapsus sanguineus
Hemigrapsus sanguineus
Hemigrapsus sanguineus
Hemigrapsus sanguineus
Hemigrapsus sanguineus

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 [6/23/2025].

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