Zebrafish (IMAGE) North Carolina State University Caption Zebrafish bred to be bolder or more shy show corresponding changes to their body shape and locomotion, suggesting that personality chages affect other seemingly unrelated traits. Credit Brian Langerhans 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.