Portuguese Man-of-War

This is a Portuguese Man-of-War that we saw in texas a few years back. They are venomous and are to be avoided.
Anyone unfamiliar with the biology of the venomous Portuguese man-of-war would likely mistake it for a jellyfish. Not only is it not a jellyfish, it's not even an "it," but a "they." The Portuguese man-of-war is a siphonophore, an animal made up of a colony of organisms working together.
Physalia physalis

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