Zebrafish (IMAGE) The Company of Biologists Caption Thousands of zebrafish are organized in Seattle Children's Research Institute’s aquatics facility based on the different mutations they carry in genes being studied. Credit Seattle Children's 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.