On April 24, 2016 during an underwater mission in the Mariana Trench at a depth of 3,700 meters, scientists recorded a jellyfish that nobody had seen before. The Medusa was discovered near a site called Enigma Seamount, and according to researchers at the National Oceanic and atmospheric observation (OBTAIN), will be named as a new species belonging to the genus Crossota hydromedusa. The Mariana Trench, with 11 km depth, It is the deepest point in the oceans and the Earth's crust.