The National Oceanic and Atmospheric Administration (NOAA) sent its Okeanos Explorer to depths of about 3,700 meters near the Mariana Trench to investigate the so-called “Enigma Seamount”—an area largely unknown to scientists. There, photos were taken of this likely undiscovered jellyfish. From the genus Crossata, the smallish “hydromedusa” is marked by its dome-like body ringed in tentacles. Watch video of the dive and its highlights below.
This article was featured in the InsideHook newsletter. Sign up now.