sea whip
... that the sea whip, a colonial soft coral, produces chemicals which prevent algae, barnacles and bryozoans from growing on it?
... that the <b id="mwCaY"><a href="./Leptogorgia_virgulata" id="mwCac" rel="mw:WikiLink" title="Leptogorgia virgulata">sea whip</a></b>, a <a href="./Colony_(biology)" id="mwCag" rel="mw:WikiLink" title="Colony (biology)">colonial</a> <a href="./Alcyonacea" id="mwCak" rel="mw:WikiLink" title="Alcyonacea">soft coral</a>, produces chemicals which prevent <a href="./Algae" id="mwCao" rel="mw:WikiLink" title="Algae">algae</a>, <a href="./Barnacle" id="mwCas" rel="mw:WikiLink" title="Barnacle">barnacles</a> and <a href="./Bryozoa" id="mwCaw" rel="mw:WikiLink" title="Bryozoa">bryozoans</a> from growing on it?