Fish species selected for the study (IMAGE) Hokkaido University Caption Three of the fish species selected for this study: Aluterus scriptus (left), Siganus fuscescens (center) and Amphiprion frenatus (right). (Photos courtesy of Osaka Aquarium Kaiyukan). Credit Osaka Aquarium Kaiyukan Usage Restrictions This image is copyrighted but may be used to report this press release if credited as instructed. License Original 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.