Corals eat jellyfish

FROM the human point of view Pelagia noctiluca is an enemy. It is a jellyfish, abundant in the Mediterranean Sea, that is the chief cause of stings to swimmers in that popular holidaymakers' destination. But, as this picture shows, Pelagia noctiluca has enemies of its own. The other creatures in shot are polyps of Astroides calycularis, a type of coral. Normally, Astroides calycularis feeds on small creatures of the plankton. But researchers led by Tomás Vega Fernández of the Zoological Statio...