Plexaurella nutans - An orange Elephant Ear <a href="//commons.wikimedia.org/wiki/Sponge" title="Sponge">sponge</a> (Agelas clathrodes) at the <a href="//commons.wikimedia.org/wiki/Florida_Keys" class="mw-redirect" title="Florida Keys">Florida Keys</a> National Maritime Sanctuary. In the background is a deep water <a href="//commons.wikimedia.org/w/index.php?title=Sea_fan&amp;action=edit&amp;redlink=1" class="new" title="Sea fan (page does not exist)">sea fan</a> (Iciligorgia schrammi), and the giant <a href="//commons.wikimedia.org/w/index.php?title=Slit-pore_sea_rod&amp;action=edit&amp;redlink=1" class="new" title="Slit-pore sea rod (page does not exist)">slit-pore sea rod</a> (Plexaurella nutans). These soft <a href="//commons.wikimedia.org/wiki/Coral" class="mw-redirect" title="Coral">corals</a> are actually slow moving animals but are often mistaken for plants. (elephant ear sponge at the Florida Keys National Maritime Sancturay) © Florida Keys National Maritime Sancturay - Public domain - Wikimedia Commons