Small striped zebrafish (IMAGE) Institute of Science and Technology Austria Caption The small striped zebrafish develop within just a few days, the embryos do so outside their mothers and are transparent. Credit © Nadine Poncioni, IST Austria Usage Restrictions © Nadine Poncioni, IST Austria 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.