It looks like a jellyfish, but it’s not! The Portuguese Man O’ War is one of the ocean’s weirdest and most fascinating creatures, blending beauty and danger in an alien-like form. Here’s why it’s so ...

An Australian lad has taken to TikTok to explain the rather petrifying reason no one was swimming in the sea at one Sydney ...

Anyone unfamiliar with the biology of the venomous Portuguese man-of-war would likely mistake it for a jellyfish. Not only is it not a jellyfish, it's not even an "it," but a "they." The ...

The Portuguese man o’ war’s reputation as one of the world’s most feared jellyfish is a complete myth – because it isn’t a ...

Portuguese man-of-war are marooning themselves on South Florida’s beaches in high numbers this year, likely due to higher ...

However, not all hydrozoans are considered jellyfish. For example, the famous Portuguese man o’ war is part of the class Hydrozoa but is known as a siphonophore. They are made up of groups of small ...

Often mistaken for jellyfish, the Portuguese Man o’ War is a siphonophore — a specialised colony of zooids that function together as a single organism. It is easily identified by its balloon ...

Despite looking similar to jellyfish, Portuguese man o' war are siphonophores. They live at the surface of the water using their balloon-like float as a sail to propel them along, with long ...

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

KUANTAN: The public has been urged to exercise caution after hundreds of poisonous jellyfish from the species Physalia physalis, commonly known as the "Portuguese man o' war," washed ashore along ...