Cnidarian Fun Facts:

• The name Cnidaria comes from the Greek "Cnidos" meaning stinging nettle.
• A group of jellyfish is called a smack.
• Jellyfish can have up to 800 tentacles.
• The firing of nematocysts are the fastest reactions in the animal kingdom.
• Sea anemones are names after the Anemone Flower, and that is why the anemone is sometimes called the flower of the sea.