splendid hermit crab
... that the splendid hermit crab almost exclusively chooses to inhabit a shell on which a colonial hydroid is living?
... that the <b id="mwBJQ"><a href="./Labidochirus_splendescens" id="mwBJU" rel="mw:WikiLink" title="Labidochirus splendescens">splendid hermit crab</a></b> almost exclusively chooses to inhabit a shell on which a <a href="./Hydroid_(zoology)" id="mwBJY" rel="mw:WikiLink" title="Hydroid (zoology)">colonial hydroid</a> is living?