Chain Catshark (IMAGE) American Museum of Natural History Caption This photo shows a green biofluorescent chain catshark (<i>Scyliorhinus retifer</i>). Credit ©AMNH/J. Sparks, D. Gruber, and V. Pieribone Usage Restrictions Can be used with the appropriate credit 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.