Moray Eel Pelagic Larva (IMAGE) Washington University in St. Louis Caption This is a rare photo of a moral eel's pelagic larvae, called a leptocephalus, or small head. The head is not visible in this photo. Credit Jerry Powell Usage Restrictions Please credit the photo to Jerry Powell 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.