The Portuguese man-of-war is a siphonophore ... 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 polyp ...

Hundreds of Portuguese Man O' War (Physalia physalis) have washed up on the sand, painting the coastline with a dangerous purple hue. The presence of this marine organism has caused concern among ...

Portuguese Man o'War warning, from Sintra to Tavira; Sightings of “unusual numbers” of these hazardous creatures ...

Dozens of  Portuguese man o' war, capable of causing serious skin burns, have been spotted on Portuguese beaches, from ...

The town of Emerald Isle is warning beachgoers after Portuguese man o’ war were spotted along the shore. Emerald Isle posted photos on Facebook on Thursday, writing, "While they may look ...

Answer: Very carefully! Portuguese man o’war are normally only seen when they turn up on our beaches, and in recent months the UK has seen a ‘plague’ of these strange creatures washing up.

Portuguese man-of-war in Formentera. The stinging, venom-filled nematocysts in the tentacles of the Portuguese man o’ war can paralyze small fish and other prey.