Calliactis parasitica
... that the mutualism between hermit crabs and the sea anemone Calliactis parasitica may require the presence of an octopus?
... that the <a href="./Mutualism_(biology)" id="mwHA" rel="mw:WikiLink" title="Mutualism (biology)">mutualism</a> between <a href="./Hermit_crab" id="mwHQ" rel="mw:WikiLink" title="Hermit crab">hermit crabs</a> and the <a href="./Sea_anemone" id="mwHg" rel="mw:WikiLink" title="Sea anemone">sea anemone</a> <i id="mwHw"><b id="mwIA"><a href="./Calliactis_parasitica" id="mwIQ" rel="mw:WikiLink" title="Calliactis parasitica">Calliactis parasitica</a></b></i> <i id="mwIg">(pictured)</i> may require the presence of an <a href="./Octopus" id="mwIw" rel="mw:WikiLink" title="Octopus">octopus</a>?