[ORGANIZATION]
Portuguese man o' war (Physalia physalis)
Featured in 2 tracked stories · first seen
Situations
European jellyfish bloom surge intensifies
2 clusters · 12 sources · last updated
Latest: Portuguese man o' war invasion hits Basque beaches, 120 stings reported
In late July 2026, scientists reported extensive jellyfish blooms across European coasts, linking the phenomenon to unusually warm sea temperatures. Blooms were noted from the Adriatic and the North Sea to Danish shores,
Hazardous marine species in European waters
5 clusters · 16 sources · last updated
Latest: Portuguese galeae trigger beach closures along France's Atlantic coast
In late June 2026 a venomous lionfish was photographed in Montenegro’s Kotor Bay, the first confirmed Adriatic sighting. Experts warned of its ecological threat and painful sting. Throughout July, attention turned to jel