This hermit crab shares its home with an anemone that lives on the same piece of live rock. This relationship benefits both the hermit and the anemone. It provides the hermit crab with camouflage and protection and helps the anemone get food. They can be aggressive when not eating algae or detritus. It is also advisable to keep multiple sized shells in the tank in case the hermit crabs gets too large for its current shell.