Blue land crab Cardisoma guanhumi Latreille, 1828, from Atlantic region, not listed in IUCN Red List but threatened by overexploitation. Disclaimer: AAAS and EurekAlert! are not responsible for ...

Laura Porter's pet crab, Howie ... Howie is of the Cardisoma Armatum species, more commonly known as the rainbow crab. She communicates by sign language, which she learned by watching Porter ...