leopard shark
... that the leopard shark feeds on anchovies by swimming into their schools with its mouth open and waiting for them to accidentally enter?
... that the <b id="mwCnY"><a href="./Leopard_shark" id="mwCnc" rel="mw:WikiLink" title="Leopard shark">leopard shark</a></b> <i id="mwCng">(pictured)</i> feeds on <a href="./Anchovy" id="mwCnk" rel="mw:WikiLink" title="Anchovy">anchovies</a> by swimming into their <a href="./Shoaling_and_schooling" id="mwCno" rel="mw:WikiLink" title="Shoaling and schooling">schools</a> with its mouth open and waiting for them to accidentally enter?