Up here in No Cal, they get to be the size of basketballs. Big basketballs. I see them most often around now- Labor day to November. While i've not had them, I've seen others just lop off the legs, toss the body on the campfire and walk away for ten minutes, come back, crack 'em and chow down.
Me, I get my crabs at the market. (Here it comes...

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