Here are some interesting facts about Jellyfishs
Jellyfish first seemed about 650 million years ago and are found in every ocean, from the surface to the deep sea. Some are also found in fresh water
Medusa is another word for jellyfish. Medusa is also the word for jellyfish in: Greek, Finnish, Portuguese, Romanian, Hebrew, Serbian, Croatian, Spanish, French, Italian, Hungarian, Polish, Czech, Slovak, Russian and Bulgarian
Since jellyfish are not actually fish, some people consider the term jellyfish a misnomer, and American public aquariums have popularized use of the terms jellies or sea jellies instead
A group of jellyfish is called a bloom or swarm
Jellyfish are made of more than 90% water. Most of their umbrella mass is a gelatinous material (the jelly) called mesoglea, which is surrounded by two layers of cells which forms the umbrella (top surface). The subumbrella (bottom surface) of the body is known as the bell
The biggest jellyfish ever found had a diameter of 8 feet and its tentacles were as long as half the length of a football field!
Even a lifeless jellyfish has the capability to sting.
There are around four hundred dead zone areas in the oceans where only jellyfish can survive and no other life form.
A single jellyfish can release as much as 45,000 eggs each day!
Every year, during blooms, the seas of Japan get filled with over 500 million jellyfish as large as the size of a refrigerator.
The quantity of venom found in Box Jellyfish can killing 60 people.
More people are killed by jellyfish each year than by sharks.
Deadly Poisonous Jellyfish