Obelia longissima
... that the hydrozoan Obelia longissima sometimes disperses by rafting?
... that the <a class="mw-redirect" href="./Hydrozoan" id="mwEAE" rel="mw:WikiLink" title="Hydrozoan">hydrozoan</a> <i id="mwEAI"><b id="mwEAM"><a href="./Obelia_longissima" id="mwEAQ" rel="mw:WikiLink" title="Obelia longissima">Obelia longissima</a></b></i> sometimes disperses by <a href="./Raft" id="mwEAU" rel="mw:WikiLink" title="Raft">rafting</a>?