Krill (IMAGE) Ecological Society of America Caption Euphausiids (or krill), pictured here, are a key link in the southern Pacific food chain. Credit M. Stukel, California Current Ecosystem LTER. CC-BY 4.0 Usage Restrictions Attribution 4.0 International (CC BY 4.0) You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. 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.