Gilthead Sea bBream 01 (image) Johannes Gutenberg Universitaet Mainz Share Print E-Mail Caption Jaw with a durophagous dentition consisting of teeth with thick enamel of the gilthead sea bream (Sparus aurata): The large molariform tooth was used for oxygen isotope analysis and to estimate the size of the fish. Credit photo/©: Guy Sisma-Ventura, Israel Usage Restrictions This image may only be used in connection with the press release "Extensive trade in fish between Egypt and Canaan already 3,500 years ago", issued by Johannes Gutenberg University Mainz on October 15, 2018. Share Print E-Mail 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.