Rock and Horse Crabs

Range

Greener is more native, amber more introduced; paler is less certain. How this was decided

• Dungeness Crab Metacarcinus magister 15,583 observations
• Pacific Rock Crab Romaleon antennarium 9,752 observations
• Atlantic Rock Crab Cancer irroratus 8,141 observations
• Jonah Crab Cancer borealis 3,969 observations
• Furrowed Rock Crab Romaleon branneri 52 observations