JELLYFISH

Jellyfish are not really animals,they are invertebrate that float in the sea.Jellyfish are pale, blue and transparent in color and get their name from the cube-likes shape of the bell. They can reach 3 metres in length. Each tentacle has about 5.000 stinging cells.
They are carnivore.They can be found in all oceans of the world an in some fresh water, usually in the sunligth zone.The venemous sting of these Jellyfish (carukia bainesi) can kill a person. Some Jellyfish are very poisonouns to humans but most are not dangerous to people.