Black Abalone Shells (IMAGE) California Academy of Sciences Caption A 19th-century archaeological abalone fishing site on the Northern Channel Islands. Credit (© 2015 Hannah Haas) Usage Restrictions Photo credits mandatory. For editorial use only. 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.