Fiona pinnata
... that although the nudibranch slug Fiona pinnata lives in open sea worldwide, it cannot swim?
... that although the <a href="./Nudibranch" id="mwAh4" rel="mw:WikiLink" title="Nudibranch">nudibranch</a> slug <i id="mwAh8"><b id="mwAiA"><a href="./Fiona_pinnata" id="mwAiE" rel="mw:WikiLink" title="Fiona pinnata">Fiona pinnata</a></b></i> lives in open sea worldwide, it cannot swim?