Jellyfish
Video courtesy of the NOAA Office of Ocean Exploration and Research, Océano Profundo 2015: Exploring Puerto Rico’s Seamounts, Trenches, and Troughs. Download (mp4, 9.6 MB)

Jelly seen at approximately 800 meters water depth, while conducting mid-water transects en route to the seafloor to explore Exocet Seamount on April 28.