Getty Images
Hermit crab
http://www.selected-takes.com/istock/lightbox.php?source=lightbox_animals.jpg
Getty Images
Hermit crab
http://www.selected-takes.com/istock/lightbox.php?source=lightbox_animals.jpg
Getty Images
Hermit crab - Costa Rica wildlife
Hermit crab going outside his shell and running away - Costa Rica wildlife
Getty Images
Hermit crabs running
Hermit crabs in the beach, a huge group running away to the right.
Getty Images
Gulf oil spill cleanup continues 6 months later
Cleanup of Gulf oil spill continues in Barataria Bay / cleanup crews vacuuming up the oil / worker holding small crab in hand, oil on hand / interior of vacuum barrel, covered in oil / bird walking along oil-soaked reeds on shore / oil...
Getty Images
Hermit crab
http://www.selected-takes.com/istock/lightbox.php?source=lightbox_animals.jpg
Getty Images
Hermit crab
http://www.selected-takes.com/istock/lightbox.php?source=lightbox_animals.jpg
Getty Images
CLOSE UP PURPLE SOFT CORAL CRAB FEEDING ON CORAL
CLOSE UP PURPLE SOFT CORAL CRAB FEEDING ON CORAL
Getty Images
MS View of spider crabs / Atlanta, Georgia, United States
MS View of spider crabs / Atlanta, Georgia, United States
Getty Images
MS Crab cautiously exits from hole in sand / Hawaii, United States
MS Crab cautiously exits from hole in sand / Hawaii, United States
Getty Images
SLO MO ECU View of tossed crab legs in air and lemons in background / Los Angeles,CA,USA
SLO MO ECU View of tossed crab legs in air and lemons in background / Los Angeles,CA,USA