Physalia Physalis



Phylum: Cnidaria

Species: Physalia Physalis

Common Names

Portuguese Man of War

Floating Terror


Commonly Found

These creature are commonly warm waters, Tropical and Subtropical waters.

When are they most commonly found

They have been spotted much more frequently recently.


The tentacles are long, thin tendrils that can extend 165 feet in length below the surface, although 30 feet is more the average. They are covered in venom-filled nematocysts used to paralyze and kill fish and other small animals. For humans, a man-of-war sting is excruciatingly painful, but rarely deadly. But beware—even dead man-of-wars washed up on shore can sting you.

Stinging Information Of Humans

Stings from the Portuguese creature can be extremely painful, and even fatal. Contact with its tentacles results in an intense pain, usually leading to blistering. The stings can also cause abdominal pain, changes in pulse, chest pain, collapse, headache, muscle pain and spasms, numbness and weakness, pain in the arms or legs, a welts on the skin, runny nose and watery eyes, difficulty swallowing and sweating. If you’re allergic to animals like bees, then you’re also more likely to suffer extreme symptoms, and your life may be threatened, but their stings are treatable.

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