Cuttlefish (IMAGE) University of California - Berkeley Caption According to a new theory, the pupil of the cuttlefish Sepia bandensis maximizes chromatic blur, allowing the animal to detect color. Credit Roy Caldwell, UC Berkeley 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.