Blue Land Crab

Cardisoma guanhumi, also known as the blue land crab, is a species of land crab found in tropical and subtopical estuaries and other maritime areas of land along the Atlantic coast of the Americas from Brazil and Colombia, through the Caribbean and Gulf of Mexico, to the Bahamas, and north to Vero Beach, Florida. The species varies in colour from dark blue to brown or pale grey, and may grow to 11 centimetres (4.3 in) in width...