This beautiful red jellyfish in the genus Poralia may be an undescribed species. It was seen during the third transect of Dive 20 of the 2021 North Atlantic Stepping Stones expedition, at a depth of 700 meters (2,297 feet). Image courtesy of NOAA Ocean Exploration, 2021 North Atlantic Stepping Stones: New England and Corner Rise Seamounts
Considering eighty percent of the earth’s oceans have yet to be explored, it’s not surprising that their mysterious depths continue to turn up new discoveries. A July 2021 expedition into 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 pulsing creature is presumed part of the genus Poralia, which until now, was comprised of a single species.
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Scientists say the unfamiliar marine animal appears to have more tentacles than the Poralia rufescens, meaning that it’s likely an entirely new species yet to be classified. “The jellyfish also seemed to have nematocyst warts on the exumbrella (the upper part or outside of the jellyfish’s bell) that probably function both for defense but also to trap prey. The radial canals of this genus often branch randomly, which is not usual for other related jellyfish,” the NOAA said in a statement.
Using the remote-operated 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’s the last region sunlight can reach before giving way to total darkness—of the Atlantic Ocean around the Gulf Stream. The vehicle is equipped with 20 LED lights that illuminate the ocean depths and allow for high-definition footage like the rare video shown below.
See more discoveries from this dive, which spotted at least 650 creatures, in addition to previous expeditions on the NOAA site, YouTube, and Instagram. (via PetaPixel)
A total of four samples were collected during Dive 20 of the 2021 North Atlantic Stepping Stones expedition using the suction sample on remotely operated vehicle (ROV) Deep Discoverer. Here, Global Foundation for Ocean Exploration ROV pilots deftly maneuver to collect a potential new species of jellyfish during the 1200-meter (3,937-foot) dive transect. Image courtesy of NOAA Ocean Exploration, 2021 North Atlantic Stepping Stones: New England and Corner Rise Seamounts
Source: thisiscolossal.com