"Commensalism of sea-anemones and hermit-crab." -Thomson, 1916

Commensalism

"Commensalism of sea-anemones and hermit-crab." -Thomson, 1916

"Cancrisocia living as a commensal on the back of a crab." -Parker, 1900

Commensalism

"Cancrisocia living as a commensal on the back of a crab." -Parker, 1900