Fish Killer -- <i>Prymnesium parvum</i> (IMAGE) John Innes Centre Caption New solution to toxic algal blooms caused by Prymnesium parvum will benefit angling economy. Credit Dr Martin Rejzek - John Innes Centre 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.