Aspidodiadema jacobi
... that the deep water sea urchin Aspidodiadema jacobi may brood its eggs among its spines?
... that the deep water <a href="./Sea_urchin" id="mwClc" rel="mw:WikiLink" title="Sea urchin">sea urchin</a> <i id="mwClg"><b id="mwClk"><a class="mw-redirect" href="./Aspidodiadema_jacobi" id="mwClo" rel="mw:WikiLink" title="Aspidodiadema jacobi">Aspidodiadema jacobi</a></b></i> may brood its <a class="mw-redirect" href="./Egg_(biology)" id="mwCls" rel="mw:WikiLink" title="Egg (biology)">eggs</a> among its spines?