Fluorescence Image of a Transverse Section of a Formalin-Fixed Eel (image) RIKEN Share Print E-Mail Caption Drs. Atsushi Miyawaki, Akiko Kumagai and their team cloned a gene from Unagi for an unusual fluorescent protein they named UnaG, for Unagi Green protein, that allows eels to glow in the dark . UnaG is the first fluorescent protein found in vertebrates; previously they were thought to exist only in simple animals like jellyfish. Credit RIKEN Usage Restrictions UNDER EMBARGO UNTIL: 12:00 PM Noon US Eastern Time 16:00 GMT on June 13, 2013/ 01:00 am JST on June 14, 2013 Share Print E-Mail 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.