Is this really true I wonder...if it is, there must be some gigantic jellyfish out there!
There's lots to learn about the translucent ghosts of the sea...
Ten Amazing Facts About Ocean Animals
Stay out of the water! If we were meant to be in the water, we would have gills!
If a moon jellyfish loses a limb, it rearranges the remaining limbs until they are symmetrically placed around its body so it can swim more efficiently. Source
Jellyfish don't have a brain. http://edidyouknow.com/did-you-know-272/
Lion's Mane Jellyfish. The largest jelly in the world, it can have a bell up to 8 feet across and tentacles 150 feet long, but ranges in sizes much smaller than this.
The most venomous jellyfish - WTF fun facts