California Current Ecosystem Sardines (IMAGE) U.S. National Science Foundation Caption The Pacific sardine is an important El Niño-affected species in the California Current Ecosystem. Credit NSF California Current Ecosystem Long-Term Ecological Research Site Usage Restrictions None 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.