Invasive SpeciesGreen crab

Carcinus maenas
FOUND by Hornets
Lubec, ME
ID Confirmed
Quality checked by Ayla
Peer reviewed by Olivia
Field Notes
A green crab has 5 notches on the side of its head.
A sketch of our study site.
Supporting Evidence
Photo of my evidence.
It’s green and has 5 notches on the side of its head.
Photo of my evidence.
It’s green
Photo of my evidence.
You can tell a difference between a green crab and any other crab.
Species Observation: Species Looked For
Did you find it?: 
I think I found it
Scientific name:
Carcinus maenas
Common name:
Green crab
Sampling method: 
Just looking around
Photo of our sampling method.
Place Studied
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Map this species
N 44.854560 °
W -66.982947 °
Observation Site Information
A photo of our study site.
Coastal - Beach or dune
Trip Information
Mowry Beach
Trip date: 
Tue, 2018-06-05 08:15
Town or city: 
Lubec, ME
Type of investigation: 
Species Survey
Eastern Coastal
Time of low tide: 
Tue, 2018-06-05 10:31


Great work identifying this crab!