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The Portuguese Man O' War

The Portuguese Man O' War, also known as the floating terror, is a blueish, jellyfish-like creature that is actually a colony of organisms working together as a single animal. It has an inflatable, sail-like bladder that it uses to float on the surface of the ocean, and long, deadly tentacles that can reach up to 30 feet. Be careful around this marine dweller, it injects a painful venom if you get too close!

Portuguese Man O' War - Animal Matchup
Portuguese Man O' War
SizeUp to 12 inches (30 cm) tall, tentacles up to 165 feet (50 m) long
WeightN/A (floats on surface)
SpeedNA
Key StrengthVenomous tentacles
Biggest WeaknessFragile body, easily damaged
Scientific NamePhysalia physalis
FamilyPhysaliidae
HabitatOpen ocean
GeographyFound in warm waters worldwide
DietSmall fish and plankton
Lifespan1 day - 1 year
Portuguese Man O' War - Animal Matchup

The Portuguese Man O' War

The Portuguese Man O' War, also known as the floating terror, is a blueish, jellyfish-like creature that is actually a colony of organisms working together as a single animal. It has an inflatable, sail-like bladder that it uses to float on the surface of the ocean, and long, deadly tentacles that can reach up to 30 feet. Be careful around this marine dweller, it injects a painful venom if you get too close!

Fun Fact: Despite looking like a jellyfish, the Portuguese Man O' War is actually classified as a siphonophore which means it's a cooperative group of tiny individuals, each with its own job to do!

Portuguese Man O' War
SizeUp to 12 inches (30 cm) tall, tentacles up to 165 feet (50 m) long
WeightN/A (floats on surface)
SpeedNA
Key StrengthVenomous tentacles
Biggest WeaknessFragile body, easily damaged
Scientific NamePhysalia physalis
FamilyPhysaliidae
HabitatOpen ocean
GeographyFound in warm waters worldwide
DietSmall fish and plankton
Lifespan1 day - 1 year

Portuguese Man O' War Matchups

We use AI to simulate matchups between the Portuguese Man O' War and other animals. Our simulation considers size, strength, and natural predatory behaviors to determine the most likely outcome.

Box Jellyfish vs Portuguese Man O' War

Fun Fact: When the Portuguese Man O' War wants to move around, it simply deflates its crest slightly, acting like a sail, and lets the wind guide it along the sea!

Fun Fact: Some small fish are immune to the painful sting of the Portuguese Man O' War and live safely amongst its tentacles, providing them with a pretty safe and scary house!