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 ...
Many of the creatures lumped together as jellyfish are no more closely related than, say, horseflies are to horses. Not only do they occupy ... for food—sea walnuts eat as much as 10 times ...