black sea cucumber
... that the black sea cucumber releases special chemicals into the water to warn potential predators that it may taste bad?
... that the <b id="mwC9w"><a href="./Holothuria_forskali" id="mwC90" rel="mw:WikiLink" title="Holothuria forskali">black sea cucumber</a></b> releases <a href="./Saponin" id="mwC94" rel="mw:WikiLink" title="Saponin">special chemicals</a> into the water to warn potential <a href="./Predation" id="mwC98" rel="mw:WikiLink" title="Predation">predators</a> that it may taste bad?