Portuguese Man O'War
Enw gwyddonol: Physalia physalis
Despite appearances, this weird and wonderful creature is not a jellyfish! They're sometimes found washed up on our shores after westerly winds. Look but don't touch - they give a very nasty sting.
YstadegauFloat Length: Up to 30cm Tentacle Length: 10-20m
Common across their range, rare on UK shores