Jellyfish Blooms (IMAGE) University of California - Santa Barbara Caption Dispelling the pervasive perception that jellyfish blooms are increasing in the world's oceans, an NCEAS-conducted study found there is in fact no robust evidence or proof of such an increase over the past two centuries. Credit Seacology Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.