Fish Models (IMAGE) Fred Hutchinson Cancer Center Caption The researchers created a mold and made fish models from resin tinted with grey pigment, painting on eyes to make them look more realistic. Credit Photo courtesy of Peichel Lab 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.