Summary This crab is fairly uncommon, usually found during minus tides, and is almost always less than two inches across. It looks like the butterfly crab (rare, if present), which has a rostrum that flares in, rather than out as in the umbrella crab.
From Natural History of Southeast Alaska
A list of all pages that have property "Summary" with value "This crab is fairly uncommon, usually found during minus tides, and is almost always less than two inches across. It looks like the butterfly crab (rare, if present), which has a rostrum that flares in, rather than out as in the umbrella crab."
