If they did not, the sea animal would not be able to float properly, according to National Geographic. Jellyfish do not have organs or bones and only have a "basic network of neurons," according ...

They will sometimes eat other sea jellies. They also forage food from other animals ... Visit the NHS website for information on what to do if you are stung by a jellyfish or other sea creature. But ...

The spectacle of thousands of jellyfish at Hobart's waterfront dock may be breathtaking, but a leading scientist has warned ...