Zebrafish Heart (IMAGE) Children's Hospital Los Angeles Caption This is a zebrafish heart with prominent coronary vessels (marked by transgenic fluorescent reporters). Credit Ching-Ling (Ellen) Lien, PhD, Children's Hospital Los Angeles 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.