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Portuguese Man-of-War

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Portuguese Man-of-War Range
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Type: Invertebrate Diet: Carnivore Size: Float, 12 in (30 cm) long, 5 in (12.7 cm) wide; tentacles, up to 165 ft (50 m) long Did you know?

 


Portuguese Man-of-war
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Portuguese Man-Of-War Facts - Received from Rochelle Goldsmith in Massachusetts ...

One sure-fire clue that you are in tropical water is the presence of a jellyfish-like creature known as the Portuguese Man-of-War. It is actually not a true jellyfish, but a member of a closely-related group called the siphonophora.

Siphonophores like the Portuguese man-of-war look like jellyfish but they are not. They are really groups or colonies of animals. Each organism in the colony has a special niche or role.

Anthozoa, which includes sea anemones and coral
Cubozoa, which includes Portuguese man-of-war
Hydrozoa, which includes jellyfish
Scyphozoa, which includes box jellies ...

The Physalina comprise the families Physalidae and Epibulidae, of which the types are Physalia (figs. 74, 75) and Epibulia, respectively. Physalia, known commonly as the Portuguese man-of-war, is remarkable for its great size, its brilliant colours, ...

So be careful - even a dead jellyfish can sting. While the sting of the moon jellyfish may be irritating, species such as the Portuguese Man-of-War may inflict much more serious, even deadly, stings.

Bluebottle or Portuguese Man-of-War Physalia physalis
Bluebottle-fish, Nomeus gronovii (Gmelin, 1789)
Blue-eye Trevalla, Hyperoglyphe antarctica (Carmichael, 1818)
Blue-eyes Lacewing on grass stalk
Blueface Angelfish, Pomacanthus xanthometopon ...

Physalia physalis, Portuguese Man-of-war
Pinguinus impennis, Great Auk
Platax pinnatus, Dusky Batfish
Plectorhynchus orientalis, Oriental Sweetlips
Plectropomus leopardus, Leopard Coralgrouper
Plectropomus laevis, Blacksaddle Coral Grouper ...

See also: Jellyfish, Purple, Medusa, Cnidaria, Sea Anemone