Welcome to The Otter Wiki
Your comprehensive resource for everything about the world's most playful aquatic mammals
13 Unique Species
From the tiny Asian Small-Clawed Otter to the mighty Giant Otter, explore detailed profiles of every otter species on Earth.
Meet the Species →Global Distribution
Otters thrive on every continent except Australia and Antarctica. Discover where each species lives, from tropical rivers to icy coastal waters.
Explore Habitats →Conservation Matters
Many otter species face threats from habitat loss and pollution. Learn about conservation efforts and how you can help protect these amazing animals.
Learn More →Did You Know?
Sea otters hold hands while sleeping to keep from drifting apart!
Otters use rocks as tools to crack open shellfish - they're one of few animals that use tools!
Sea otters have the densest fur of any mammal - up to 1 million hairs per square inch!