The Giant Otter
The Giant Otter is a wildly playful creature, roaming in the rivers of South America. Measuring up to 6 feet in length, it's one of the world's largest otters! Its dense, chocolate brown fur is perfect for keeping this fun-loving mammal warm and dry. The Giant Otter is known for its webbed feet, which help it glide through the water as if it were flying, and its sharp teeth designed to catch fish, its main food supply.

Giant Otter | |
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Size | Up to 6 feet (1.8 meters) in length |
Weight | Up to 70 pounds (32 kilograms) |
Speed | Speed: 22 mph (35 km/hr) |
Key Strength | Powerful jaws and sharp teeth |
Biggest Weakness | Vulnerable to attacks on land |
Scientific Name | Pteronura brasiliensis |
Family | Mustelidae |
Habitat | Freshwater rivers, lakes, and swamps |
Geography | South America, specifically the Amazon, Orinoco, and La Plata river systems |
Diet | Fish, crustaceans, and small mammals |
Lifespan | 8 years - 10 years |

The Giant Otter
The Giant Otter is a wildly playful creature, roaming in the rivers of South America. Measuring up to 6 feet in length, it's one of the world's largest otters! Its dense, chocolate brown fur is perfect for keeping this fun-loving mammal warm and dry. The Giant Otter is known for its webbed feet, which help it glide through the water as if it were flying, and its sharp teeth designed to catch fish, its main food supply.
Fun Fact: Did you know that giant otters are super social creatures and they usually live in large, noisy family groups called romps that can include up to 20 members!
Giant Otter | |
---|---|
Size | Up to 6 feet (1.8 meters) in length |
Weight | Up to 70 pounds (32 kilograms) |
Speed | Speed: 22 mph (35 km/hr) |
Key Strength | Powerful jaws and sharp teeth |
Biggest Weakness | Vulnerable to attacks on land |
Scientific Name | Pteronura brasiliensis |
Family | Mustelidae |
Habitat | Freshwater rivers, lakes, and swamps |
Geography | South America, specifically the Amazon, Orinoco, and La Plata river systems |
Diet | Fish, crustaceans, and small mammals |
Lifespan | 8 years - 10 years |
Giant Otter Matchups
We use AI to simulate matchups between the Giant Otter and other animals. Our simulation considers size, strength, and natural predatory behaviors to determine the most likely outcome.
Fun Fact: Listen up! The giant otter is known as the "river wolf" in its home because of its size and assertiveness.
Fun Fact: Believe it or not, when a giant otter feels threatened, it stands upright on its hind legs, hisses, and even growls to scare off predators.