Hypnotic Jelly

Scientists spotted this flashy jellyfish during a dive on April 24 at a depth of over 12,000 feet. It's thought to be a hydromedusa belonging to the genus Crossota. The red lines appear to be radial canals that connect to bright yellow gonads. 

Image courtesy of the NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas