sentences:  The blue crab may grow to a carapace width of .It can be distinguished from a related species that occurs in the same area by the number of frontal teeth on the carapace; "C. sapidus" has four, while "C. ornatus" has six.The Chesapeake Bay, located in Maryland and Virginia, is famous for its blue crabs, and they are one of the most important economic items harvested from it.