Zebrafish (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption 3D image of melanin in a zebrafish sample captured by micro-computed tomography. Credit Spencer R. Katz and Daniel J. Vanselow, Penn State College of Medicine) Usage Restrictions Credit: Spencer R. Katz and Daniel J. Vanselow, Penn State College of Medicine) 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.