Portuguese Man o' War (Physalia physalis)
The Portuguese man o' war is not a jellyfish but a colonial siphonophore. Discover its 50 m tentacles, powerful venom, and complex colonial anatomy.
Articles published in October 2026
The Portuguese man o' war is not a jellyfish but a colonial siphonophore. Discover its 50 m tentacles, powerful venom, and complex colonial anatomy.