The Portuguese Man o’ War, also known as the Bluebottle, is a jellyfish-like marine invertebrate of the family Physaliidae. Despite its outward appearance, the Man o’ War is not a jellyfish, but a siphonophore. Siphonophorae differ from jellyfish in that they are not actually single creatures, but colonial organisms made up of many minute individuals called zooids. Each of these zooids is highly specialized, and, although structurally similar to other solitary animals, they are attached to one another and physiologically integrated to the extent that they are incapable of independent survival.

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    Saw these today. Insane and beautiful and frightening all at once.
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