Mice Strains with Different Coat Colors (IMAGE) Research Organization of Information and Systems Caption The mutated colors in Japanese fancy mice, JF1, gave them a Giant Panda look. The C57BL/6 (B6) strain has black coat color, nonagouti. Japanese wild strain MSM has agouti coat color. Credit Tsuyushi Koide, the National Institute of Genetics (NIG) in Japan Usage Restrictions 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.