Fun Facts

Jellyfish breathe through an exchange of gas over their body surface- The same thing as if humans breathed through their skin
A colony of coral can contain thousands of individual animals even though they all live as one
Most cnidarians are not harmful to humans because their stinger cannot penetrate human skin
The name "cnidarian" can from the Greek word "cnidos" means stinging nettle
if a person is to touch a jellyfish, it may look like "burn" but is in fact just the skin's reaction to the toxins from small hair like structures on the Jellyfish's tentacles.
The Fire Coral species is actually an invasive species, especially off of the coast of Florida.
Some jellyfish date back 700 million years surpassing dinosaurs
The Box jellyfish is the most deadly jellyfish know to scientists.
The only sea animal that can survive the sting of a sea anemone is a Clown fish, which it lives with symbiotically.
Most Jellyfish are not deadly to humans

Phylum Cnidaria