<i>Roeboides affinis</i> Scan (IMAGE) University of Washington Caption This is a CT-scanned image of Roeboides affinis, a tetra fish. Credit University of Washington Usage Restrictions Image credit required. 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.