Zebrafish Larvae (IMAGE) BIOSS - Centre for Biological Signalling Studies Caption This is a four-millimetre-long larvae of zebrafish with visible nerve cells under the microscope. Credit Research group Driever Usage Restrictions The image may only be used with the appropriate caption and credit. 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.