Pacific lugworm
... that the Pacific lugworm must turn its esophagus inside-out when feeding?
... that the <b id="mwD8E"><a href="./Abarenicola_pacifica" id="mwD8I" rel="mw:WikiLink" title="Abarenicola pacifica">Pacific lugworm</a></b> must turn its <a href="./Esophagus" id="mwD8M" rel="mw:WikiLink" title="Esophagus">esophagus</a> inside-out when feeding?