'The sea anemone, Calliactis parasitica, is normally found in European Atlantic waters living on shells of the whelk, inhabited by hermit crab.' (Ross, Sutton, 1961)
Calliactis is a genus of sea anemones. Species in this genus are mutually symbiotic with hermit crabs. The anemone gets a place to live and discarded scraps of the crab's food in exchange for its help in defending the crab.[1]
Species within the genus include:[2]
Calliactis is a genus of sea anemones. Species in this genus are mutually symbiotic with hermit crabs. The anemone gets a place to live and discarded scraps of the crab's food in exchange for its help in defending the crab.