Yellow Perch (IMAGE) University of Wisconsin-Madison Caption This yellow perch is showing evidence of viral hemorrhagic septicemia virus -- for example, hemorrhaging in the eye and bleeding in a pectoral fin. Credit Photograph by Evi Emmenegger/USGS 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.