banded butterflyfish
... that the banded butterflyfish can act as a cleaner fish, removing parasites from other fish?
... that the <b id="mwCKI"><a href="./Banded_butterflyfish" id="mwCKM" rel="mw:WikiLink" title="Banded butterflyfish">banded butterflyfish</a></b> <i id="mwCKQ">(pictured)</i> can act as a <a href="./Cleaning_station" id="mwCKU" rel="mw:WikiLink" title="Cleaning station">cleaner fish</a>, removing parasites from other fish?