Check out this BBC article on the new jellies discovered from a scientific expedition to the Arctic. This new jelly looks like some sort of catering device for bacon strips or mango slices -- depending on your appetite:
Um, isn't this the opening scene from The Thing? Keep us posted if those expedition members disappear.
Hmmm. I didn't see any jellyfish like this. Because It live in 2000m deep. Also It's very strange.