Hermit crabs (Paguroidea; Latreille 1802) offer great opportunities to study animal behaviour and physiology. However, the animals’ size and sex cannot be determined when they are inside their shell; ...
BALTIMORE — At summertime backyard feasts, crab shells are just a barrier between hunger and satisfaction. Marylanders smash the crustaceans’ protective casings with wooden mallets, pick out the tasty ...