red mullet
... that the barbels on the chin of the red mullet are sensory organs and used in locating prey?
... that the <a href="./Barbel_(anatomy)" id="mwBcs" rel="mw:WikiLink" title="Barbel (anatomy)">barbels</a> on the chin of the <b id="mwBcw"><a href="./Mullus_barbatus" id="mwBc0" rel="mw:WikiLink" title="Mullus barbatus">red mullet</a></b> are sensory organs and used in locating prey?