Welcome to The Otter Wiki
The Otter Wiki is your resource for learning about the world's 13 otter species. All otters belong to the family Mustelidae, and range from the smallest (Asian Small-Clawed Otter) to the largest (Giant Otter).
All 13 Otter Species
| Species | Status | Distribution | Notable Trait |
|---|---|---|---|
| Sea Otter | Endangered | North Pacific coast | Densest fur of any mammal |
| Giant Otter | Endangered | Amazon & Orinoco basins | Largest otter species |
| Asian Small-Clawed Otter | Vulnerable | South & Southeast Asia | Smallest otter species |
| North American River Otter | Least Concern | Canada, USA, Mexico | Iconic American freshwater otter |
| Eurasian Otter | Near Threatened | Europe, Asia, North Africa | Most widely distributed |
| African Clawless Otter | Near Threatened | Sub-Saharan Africa | Nearly clawless paws |
| Congo Clawless Otter | Near Threatened | Central Africa | White/cream facial patterning |
| Hairy-Nosed Otter | Endangered | Southeast Asia | Unique hair-covered nose |
| Smooth-Coated Otter | Vulnerable | South & Southeast Asia | Sleek, smooth fur |
| Spotted-Necked Otter | Least Concern | Sub-Saharan Africa | Distinctive spotted throat |
| Marine Otter | Endangered | Peru & Chile coasts | One of two marine species |
| Neotropical Otter | Near Threatened | Mexico to Argentina | Very adaptable |
| Southern River Otter | Endangered | Patagonia | Temperate rainforest specialist |
Browse by Region
The Americas
- Sea Otter - Coastal North Pacific
- North American River Otter - Canada, USA, Mexico
- Giant Otter - Amazon and Orinoco basins
- Neotropical Otter - Mexico through South America
- Southern River Otter - Southern Chile and Argentina
- Marine Otter - Pacific coasts of Peru and Chile
Asia
- Asian Small-Clawed Otter - India to Philippines
- Smooth-Coated Otter - South and Southeast Asia
- Hairy-Nosed Otter - Thailand, Vietnam, Sumatra, Borneo
Europe & Africa
- Eurasian Otter - Europe, Asia, North Africa
- African Clawless Otter - Sub-Saharan Africa
- Congo Clawless Otter - Central Africa
- Spotted-Necked Otter - Sub-Saharan Africa
Explore
Contributing
The Otter Wiki is a community project. Visit our GitHub repository to contribute.