species 9,752 observations

Pacific Rock Crab

Romaleon antennarium

Field notes

Romaleon antennarium (formerly Cancer antennarius), commonly known as the Pacific, brown or California rock crab, is a crab of the genus Romaleon found on the western coast of North America.

Range

United States

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