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Jellyfish, Bluebottle

Physalia physalis

Siphonophore, Portuguese Man-O-War

Invertebrate

Cnidaria

Hydrozoa

Physaliidae

Open Water Coastal
Open Water Coastal
Open Water Offshore
Open Water Offshore

Feeding:
Predator
Predator
Distribution:
Southern Hemisphere
Southern Hemisphere
Edibility:
Inedible
Inedible
Size:
Coin Sized
Coin Sized



Bluebottle jellyfish have a gas-filled sac that floats on the surface and tentacles that hang underneath. They can change the orientation of their float and use it to 'sail' with the wind.


Free floating in open ocean.


Predator.



Bluebottles often get washed onto local beaches, and should not be handled due to their poisonous sting. Species related to the bluebottle have killed people in the Northern Hemisphere although no deaths have been reported in the Southern Hemisphere.


Not a true jellyfish, actually is a colonial animal called a siphonophore.



NZ Coastal Marine Invertebrates