grass octopus
... that predatory fish sometimes associate with the grass octopus, snapping up organisms that it flushes from among the branches of corals?
... that <a href="./Predatory_fish" id="mw3w" rel="mw:WikiLink" title="Predatory fish">predatory fish</a> sometimes associate with the <b id="mw4A"><a class="mw-redirect" href="./Octopus_macropus" id="mw4Q" rel="mw:WikiLink" title="Octopus macropus">grass octopus</a></b>, snapping up organisms that it flushes from among the branches of <a href="./Coral" id="mw4g" rel="mw:WikiLink" title="Coral">corals</a>?