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This Saturday Is World Jellyfish Day!

Did you know that each year on November 3rd we celebrate Jellyfish Day?

Why do we celebrate these strange creatures? Well, it only makes sense to celebrate an invertebrate that has been on this earth for millions of years. They have been around even longer than humans!

Some people speculate that the informal origins of Jellyfish Day comes from a group of enthusiastic marine biologists, who respect the simplicity of these strange and yet beautiful creatures. 

We quite often talk about jellyfish in regards to sea turtles, as jellyfish are the main meal for a sea turtle. However there is more to jellyfish than just food for turtles!

We have found a few cool and interesting facts about jellyfish for you:

  1. Some jellyfish glow in the dark! - Many jellyfish have bioluminescent organs, which emit light. This light may help them in a number of different ways, like attracting prey or distracting predators.

  2. They don't have a brain but instead have nerve nets which detect environmental changes and coordinate the animal’s responses. 

  3. Jellyfish can clone themselves, when cut in two the pieces can regenerate and create two new jellyfish.

  4. They have to digest their food quickly, otherwise they will be weighed down and unable to float!

  5. Not all jellyfish have tentacles. Click here to see a jellyfish with no tentacles!

  6. They have been in the oceans for around 650 million years!

  7. Despite having been on this earth for hundreds of millions of years, the lifespan of a jellyfish is about 1 year.

  8. A group of jellyfish is called a bloom, swarm or smack.

  9. There is a jellyfish that is considered biologically immortal, essentially it doesn't seem to be capable of dying of old age. Check out the video bellow for more information on this fascinating creature:

What do you think of these creatures? Beautiful? Or just plain strange?

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