Although Man O' Wars are known to swim in packs in the Gulf Coast, it's unusual to see hundreds of them wash up on the ...

Early December brought an unexpected spectacle to Mustang and North Padre Islands as thousands of Portuguese Man O’ War ...

Not only is it not a jellyfish, it's not even an "it," but a "they." The Portuguese man-of-war is a siphonophore, an animal made up of a colony of organisms working together. The man-of-war ...

Highly venomous Portuguese man o' war creatures are washing up on Texas beaches, prompting warnings from authorities.

The Portuguese man o' war, often mistaken for a jellyfish, is actually a siphonophore – a colonial organism composed of ...

The Harte Research Institute said to call 911 if you have trouble breathing after being stung by a Man O' War.

The tentacles of a Portuguese Man O’ War can cause painful stings that can ... a safe distance from the water’s edge where these animals might be. They also ask you to educate your children ...

Vibrant, venomous sea creatures that resemble jellyfish are washing up in masse along the shores of the southeast U.S., including in Texas. On Monday, the City of Jamaica Beach warned the public to ...

Portuguese Man of War jellyfish have been spotted at Kaimana Beach, and warning signs have been posted for visitors.

That's one of the largest size differences between males and females—called sexual size dimorphism—in the animal kingdom ... jellyfish, the Portuguese man-of-war, which it uses to its ...