beau gregory
... that the beau gregory , a small damselfish, maintains a territory and drives away intruders?
... that the <b id="mwDQU"><a href="./Stegastes_leucostictus" id="mwDQY" rel="mw:WikiLink" title="Stegastes leucostictus">beau gregory</a></b> <i id="mwDQc">(pictured)</i>, a small <a href="./Damselfish" id="mwDQg" rel="mw:WikiLink" title="Damselfish">damselfish</a>, maintains a <a href="./Territory_(animal)" id="mwDQk" rel="mw:WikiLink" title="Territory (animal)">territory</a> and drives away intruders?