Mud-Runner
... that symbiotic moss animals live on the bristles of the crab known as the Mud-Runner ?
... that <a href="./Symbiosis" id="mwAtA" rel="mw:WikiLink" title="Symbiosis">symbiotic</a> <a class="mw-redirect" href="./Bryozoan" id="mwAtE" rel="mw:WikiLink" title="Bryozoan">moss animals</a> live on the <a href="./Seta" id="mwAtI" rel="mw:WikiLink" title="Seta">bristles</a> of the <a href="./Crab" id="mwAtM" rel="mw:WikiLink" title="Crab">crab</a> known as the <b id="mwAtQ"><a href="./Goneplax_rhomboides" id="mwAtU" rel="mw:WikiLink" title="Goneplax rhomboides">Mud-Runner</a></b> <i id="mwAtY">(pictured)</i>?