Calcium Techniques (IMAGE) Cold Spring Harbor Laboratory Caption This shows representative Ca2+ signals generated in zebrafish embryos. Credit Images courtesy of Sarah E. Webb and Andrew I. Miller, The Hong Kong University of Science and Technology 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.