The Portuguese man o' war is a species of siphonophore ... and may extend by as much as 30 meters (about 100 feet)." Yes, they can sting. Their tentacles have tiny capsules with venomous tubes ...

British tourists have been warned to steer clear of several beaches in the south of Spain after a series of dangerous marine ...

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 deliver a sting. Muscles in the tentacles draw prey up to a ...

When thoroughbred racing needed a boost, Man o' War unleashed his blazing speed and came to the rescue. Though he competed for only two years, he energized a reeling sport. There was a thickness ...

Beachgoers are being urged to be careful after reports of Portuguese man o' war washing up on shore. Dorset Wildlife Trust said the marine animals had an "extremely nasty, painful sting" and ...

The government said a sting was unlikely to have serious consequences to health, but the pain following it could last 15 to 20 minutes. Despite looking similar to jellyfish, Portuguese man o' war ...

Portuguese man o’war are normally only seen when they turn ... Both divers knew they were not allergic to the stings, and that they would survive but the stings can still be intensely painful.