In some cases the sting can cause an allergic reaction and in rare cases, heart failure. Even when washed up on the sand the stings still contain venom. Man-of-war fish have stinging cells that are still active and capable of stinging even after the creature is dead and washed up on shore. So don’t touch it.
What happens if you get stung by a Portuguese man of war?
In rare cases, it can be life-threatening. After a sting, the tentacles leave long, stringy red welts on the skin. The welts last from minutes to hours. There is local pain, burning, swelling, and redness.
Can you keep a Portuguese man of war as a pet?
People do not generally keep these creatures in aquariums. Because they grow such extensively long tentacles, it is quite difficult to keep them, as their tanks must be quite large. Additionally, you cannot house them with any other species of animals, as they would sting them.
Can you touch the bell of a Man O War?
Man-of-war fish have stinging cells that are still active and capable of stinging even after the creature is dead and washed up on shore. So don’t touch it.
Does peeing on a jellyfish sting actually help?
A: No. Despite what you may have heard, the idea of peeing on a jellyfish sting to ease the pain is just a myth. Not only are there no studies to support this idea, but pee may even worsen the sting. Jellyfish tentacles have stinging cells called nematocysts that contain venom.