Interesting Jellyfish Facts
October 16, 2009 | In: Animal facts for kids
Jellyfish has been around for more than 650 million years which means that they outdate both dinosaurs and sharks.
A jellyfish is 95 percent water, and humans around 70%.
The world’s largest jellyfish has tentacles reaching half a football field.
Jellyfish never stop growing.
The jellyfish population can be decreased by particularly rainy season, because they prefer salt water.
Jellyfishes have no brain, no blood, and no nervous system.
In countries like Japan, Korea and China, it is considered a delicacy to eat Jellyfish.
A group of jellyfish is called a ‘smack’.
Some common jellyfish types include Cannonball Jelly (Stomolophus meleagris), Southern Moon Jelly (Aurelia marginalis), Lion’s Mane (Cyanea capillata), Sea Nettle (Chrysaora quinquecirrha), Mushroom Jelly (Rhopilema verrilli), Portuguese Man-of-War (Physalia physalis) and Sea Wasp (Chiropsalmus quadrumanus).