Jellyfish at the Cherbourg Aquarium, France.
This image, which I have not taken recently, immortalizes a splendid (and enormous, I assure you) jellyfish from the Cherbourg Aquarium, France.
A truly disturbing animal.

Have you ever seen a jellyfish like this? Add a comment or go to the bottom of the site to read what other visitors have written.

It is a planktonic animal, mainly marine, belonging to the phylum Cnidaria, which together with the Ctenophores formed what were once the Coelenterates.
Generally it represents a stage of the life cycle that ends after sexual reproduction with the formation of a polyp. Some studies have verified that the Turritopsis nutricula jellyfish is potentially immortal because it has been shown that, as time passes, it is able to rejuvenate more and more until it starts a new life cycle. This rejuvenation process seems to be caused by strong environmental factors that participate in the cellular changes of the organism.
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