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Using a small robotic sub, scientists from Columbia University have captured rare video of Arctic jellyfish slithering along the bottom of the Chukchi Sea near Barrow Alaska. The footage came as a complete surprise to the researchers, who weren’t expecting to see jellyfish during the Arctic winter.
The scientists’ research, published in Marine Ecology, shows that a species of large jellyfish known as Chrysaora melanaster is capable of surviving the arctic winter in its adult form, a life stage known as medusae. Prior to these observations, which were made from 2011 to 2014, scientists thought that the under sea conditions were too harsh for adult jellies during the winter months, and that this species could only survive under the arctic ice during its stage as a polyp—a formless blob that releases tiny baby medusae in the spring.
To their amazement, the submersible captured haunting images of the large medusae, some of them dragging their one-foot-long tentacles behind them. The jellies use these tentacles to snatch meals off the seafloor.
But there’s still one lingering question: Do these jellies sting? “I don’t know,” said Juhl. “There aren’t that many people around there swimming to find out.”
originally posted by: purplemer
a reply to: Skywatcher2011
Its not spooky what so ever.. Its an amazing creature though. Jelly fish always seem to me to come from other planets..