Later on, during the spring, many thousands of big barrel jellyfish started turning up on our beaches. "Both were harmless but these Portuguese man o' war are capable of giving extremely painful ...

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 ...

TikTok user @lil_vb_ was filming at Manly Beach, Sydney, as lifeguards instructed swimmers to exit the sea as a swarm of blue bottle jellyfish (AKA the Portuguese man o' war) washed up on the shore.

This weekend, numerous man o’ war have washed ashore at Jensen Beach, prompting reactions ranging from curiosity to concern among beachgoers. Resembling jellyfish, these creatures can deliver ...

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 ...

Portuguese Man O’War - a highly toxic species often mistaken for jellyfish - trigger immediate severe pain even after brief contact and can cause potentially fatal reactions, including breathing ...