graceful kelp crab
... that the graceful kelp crab tends to inhabit the understory rather than the canopy of the kelp forest?
... that the <b id="mwAjg"><a href="./Pugettia_gracilis" id="mwAjk" rel="mw:WikiLink" title="Pugettia gracilis">graceful kelp crab</a></b> tends to inhabit the understory rather than the canopy of the <a href="./Kelp_forest" id="mwAjo" rel="mw:WikiLink" title="Kelp forest">kelp forest</a>?