gilthead sea bream 01 (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Knackgebiss mit knopfförmigen Zähnen der Goldbrasse (Sparus aurata): Der große Zahn diente der Sauerstoffisotopenanalyse und der Längenabschätzung der Fische. Credit Foto/©: 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. 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.