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packetlosttoday at 12:54 AM2 repliesview on HN

They're not even technically one organism, but colonies of independent but mostly specialized organisms. I'd be willing to bet that has something to do with the articles title


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andsoitistoday at 1:41 AM

True jellyfish (like moon jellies, box jellyfish)are a single organism, just like you or me. Theres a single genome and one body.

Portuguese man o’ war is not a single organism at all but a siphonophore, a colony of many genetically identical but specialized individual organisms called zooids, all fused together and functionally dependent on each other.

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timschmidttoday at 2:06 AM

You're thinking of Siphonophores like the Portugese Man-o-war. The Octopus Lady has a wonderful video on them: https://www.youtube.com/watch?v=ipDpbYQdFEA