Invasive SpeciesAsian shore crab

Hemigrapsus sanguineus
FOUND by AsianCrabs2017
Rye, NH
ID Confirmed
Quality checked by Alex
Peer reviewed by
Field Notes
The weather was rainy and overcast. In total we found 109 crabs. 108 were European shore crabs and one was Asian shore crab. None of the species we found were native.
Supporting Evidence
Photo of my evidence.
It has 3 spines.
Photo of my evidence.
It has a square shaped shell.
Photo of my evidence.
It has banded legs.
Species Observation: Species Looked For
Did you find it?: 
I think I found it
Scientific name:
Hemigrapsus sanguineus
Common name:
Asian shore crab
Sampling method: 
Just looking around
Photo of our sampling method.
Place Studied
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Map this species
N 43.042189 °
W -70.714837 °
Observation Site Information
A photo of our study site.
Coastal - Rocky intertidal
Trip Information
Odiorne Point Rye, NH
Trip date: 
Thu, 2017-07-13 10:00
Town or city: 
Rye, NH
Type of investigation: 
Species Survey
Eastern Coastal
Time of low tide: 
Thu, 2017-07-13 08:52


Well done noting the key characteristics of this crab!