2,300-foot dive in Atlantic Ocean reveals new species of bright red jellyfish


Photography Sciences

# jellyfish # oceans # video

August 12, 2021

Grace Ebert

This beautiful red jellyfish of the kind Poralia may be an undescribed species. It was observed during the third transect of dive 20 of the 2021 North Atlantic Stepping Stones, at a depth of 700 meters (2,297 feet). Image courtesy of NOAA Ocean Exploration, 2021 North Atlantic Stepping Stone: New England and Corner Rise Seamounts

Considering that eighty percent of Earth’s oceans have yet to be explored, it’s no surprise that their mysterious depths continue to make new discoveries. A July 2021 expedition to the Hydrographer Canyon off the New England coast was no exception when a team from the National Oceanic and Atmospheric Administration (NOAA) stumbled upon a striking red jellyfish. Spotted at 2,297 feet, the pulsating creature is presumed to be part of the genus Poralia, which until now consisted of a single species.

Scientists say the unknown sea animal appears to have more tentacles than the Poralia rufescens, which means that this is probably an entirely new species that has not yet been classified. “The jellyfish also appeared to have nematocyst warts on the exomble (the top or outside of the jellyfish’s bell) which probably work both for self-defense but also to trap prey. Radial channels like this often branch out in a random fashion, which is unusual for other related jellyfish, ”NOAA said in a statement.

Using the remote control Deep discoverer, the team spotted the creature in the Mesopelagic Zone – this area, which spans 656 to 3,281 feet, is also referred to as the Twilight Zone because it is the last region that sunlight can reach before giving way. place in total darkness – from the Atlantic Ocean around the Gulf Stream. The vehicle is fitted with 20 LED lights that illuminate the depths of the ocean and enable high definition images like the rare video shown below.

Check out more discoveries from this dive, which spotted at least 650 creatures, in addition to previous expeditions on the NOAA website, YouTube and Instagram. (via PetaPixel)

A total of four samples were collected during dive 20 of the 2021 North Atlantic Stepping Stone Expedition using the Deep Discoverer Remotely Operated Vehicle (ROV) suction sample. Here, the ROV pilots of the Global Foundation for Ocean Exploration skillfully maneuver to collect a potential new species of jellyfish during the 1,200-meter (3,937-foot) dive transect. Image courtesy of NOAA Ocean Exploration, 2021 North Atlantic Stepping Stone: New England and Corner Rise Seamounts

# jellyfish # oceans # video

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