Wreckfish (IMAGE) University of Washington Caption A 3-foot-long wreckfish checks out the remotely operated vehicle Hercules investigating a flange, the pure white structure to the right. About 10 feet wide and 6 feet tall, the flange is built up when warm hydrothermal vent fluids hit the icy cold seawater and the minerals precipitate out. Credit University of Washington, IFE, URI-IAO, NOAA Usage Restrictions Image credit required 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.