Mediterranean green Crab
This crab (Carcinus aestuarii) is one of the 67,000 species of crustaceans inhabiting the world's oceans. Most crustaceans are decapods, having ten legs.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Carcinus aestuarii 2009 G1."
http://commons.wikimedia.org/wiki/File:Carcinus_aestuarii_2009_G1.jpg
Wikimedia
CC BY-SA.
