Crabs get a bad rap—condemned as the crankiest, most cantankerous curmudgeons that ever scuttled across the Bay floor. But the truth is, they've got real reasons to be crabby (beyond the whole pollution-destroying-their-habitat situation). Think you know what's making them so snappish? Take our quiz to find out just how much you really know about our favorite crustacean: the Chesapeake blue crab.