Home Science Highly-venomous Portuguese man o’ war found on LBI beach of New Jersey

Highly-venomous Portuguese man o’ war found on LBI beach of New Jersey


A Portuguese man o’ war washed ashore along the Jersey Shore, which sparked serious concern because it is one of the most venomous jellyfish on the planet. The Harvey Cedars Beach Patrol found the creature on the shore during a regularly scheduled walk of the beachfront. Experts believe though that warm waters are to blame. Scientists have suggested that the warm waters are bringing different species to the region.

On that note, officials are warning swimmers to keep an eye out in the area where the jellyfish was spotted. This is mostly due to the fact that of the various things that could threaten those who swim in the region, this is definitely up there amongst the most dangerous.

Local officials said in a statement for swimmers, locals, and tourists too, “Always be aware of your surroundings in the ocean and always swim near a lifeguard.” However, the same officials also pointed out that there is a rather unique set of circumstances that are required to create this type of situation. Winds blowing into the northeast are oftentimes what push this warmer water into the region.

When the warmer waters reach the coast, they’re met with different surroundings than the organisms contained in the warm water are used to experiencing. At that point, things like the jellyfish that was spotted already are severely out of sorts. They’re in a bad place, ultimately, pushing scientists to look at the varying reasons for the push of warmer waters, and different creatures in the water.


Officials say that removing tentacles is key when dealing with a man o’ war sting. They are incredibly painful, but unless an allergy is at stake – people can deal with it themselves. However, if any allergies are present, officials warn that medical treatment should be sought out immediately. Washing the wound out in salt water is important, instead of using fresh water – and then soaking the wound in warm water.

These things together create an ideal situation where the pain can start to go away. In all, we’re talking about something that is important to those who are going to be spending any time in the region over the course of the next several months. Interestingly, the warm pattern that has locked itself over the Mid-Atlantic region is causing many of these problems, and as long as the warmth persists, so will the man o’ wars.

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