Dungeness Crab

Metacarcinus magister

The Dungeness crab is a species of crab that inhabits eelgrass beds and water bottoms on the west coast of North America. It typically grows to 20 cm (7.9 in) across the carapace.
Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassMalacostraca
OrderDecapoda
FamilyCancridae
GenusMetacarcinus
SpeciesMetacarcinus magister