Butterfly Crab
(Cryptolithodes typicus)

image of a Butterfly Crab

Image ID: 272-01

Comments : Very similar to appear to the Umbrella Crab, the Butterfly Crab often exhibits a marking on the center of it's carapace. The Skyline Wall, which is encrusted with invertebrate life, is a wonderful place to find these little crabs.
Common name : Butterfly Crab
Scientific Name : Cryptolithodes typicus
Location Found : Skyline Wall, Fidalgo Island
Actual Size : 1 inch across carapace
Camera Used : Sea & Sea MMII EX w/1->3T macro
Natural History :