Gonactinia prolifera
... that the sea anemone Gonactinia prolifera can both walk and swim?
... that the sea anemone <i id="mwBVE"><b id="mwBVI"><a href="./Gonactinia" id="mwBVM" rel="mw:WikiLink" title="Gonactinia">Gonactinia prolifera</a></b></i> can both walk and swim?