Invasive SpeciesGreen crab

Carcinus maenas
FOUND by Green Team 1
2017-09-22
Pembroke
ID Confirmed
Quality checked by Mrs. Griffith
Peer reviewed by Green Team 1 Members
Field Notes
We are happy because we got to explore and enjoy Maine's rocky coastline. We saw bright blue oceans, sunny skies, slimy seaweed, and salty mud. We were surprised to have found so many small and large crabs in our small area.
A sketch of our study site.
Supporting Evidence
Photo of my evidence.
The crab that we found was about 10cm wide, and had five spines on the side of each eye.
Photo of my evidence.
The crab we found was aggressive and had a pentagon shaped shell.
Photo of my evidence.
The claws on the crab we found were thin and had sharp tips.
Species Observation: Species Looked For
Did you find it?: 
I think I found it
Scientific name:
Carcinus maenas
Common name:
Green crab
Is it alive?: 
Some dead & some alive
Count of individuals: 
1-10
Coverage: 
Less than 1/4 covered
Reproduction: 
Eggs (animals)
How big is it?: 
5 - 10 cm
Is it male or female?: 
Can't tell
Sampling method: 
Quadrat (randomized- placement)
Photo of our sampling method.
Place Studied
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Map this species
Latitude: 
N 44.882020 °
Longitude: 
W -67.131448 °
Observation Site Information
A photo of our study site.
Habitat: 
Coastal - Rocky intertidal
Trip Information
Name:
Reversing Falls
Trip date: 
Fri, 2017-09-22 09:00
Town or city: 
Pembroke
Type of investigation: 
Species and Habitat Survey
Ecosystem: 
Coastal
Watershed: 
Eastern Coastal
Time of low tide: 
Fri, 2017-09-22 08:00
Habitat Observations
Species diversity: 
5 different species
Evidence of vectors: 
Boats
Other
Water temperature: 
pH: 
Dissolved oxygen: 
Salinity: 

Comments

Thank you.

You got it! Nice job identifying this crab based on your observations.