Mycobacteria Growing in Zebrafish (IMAGE) University of Washington Caption Exuberant mycobacterial growth showing chains of fluorescent microbes in an infected zebrafish larva which had an excess of tumor necrosis factor. Credit Francisco Jose Roca Soler 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.