Zebrafish eye, pseudobranch and gills (IMAGE) Marine Biological Laboratory Caption A zebrafish showing, from left to right, the eye, the pseudobranch, and the gills. Credit Peter Fabian/Crump Lab Usage Restrictions Please use with proper credit License Original 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.