Giant otter
The giant otter (*Pteronura brasiliensis*) is the largest otter species and the only living species in the genus *Pteronura*.
The giant otter (*Pteronura brasiliensis*) is the largest otter species and the only living species in the genus *Pteronura*. It is a semiaquatic carnivorous mammal native to South America, where it lives in freshwater habitats across parts of the Amazon, Orinoco, and La Plata river systems. The species is listed as Endangered by the IUCN.
Taxonomy and naming
The giant otter is scientifically known as *Pteronura brasiliensis* and belongs to the weasel family, Mustelidae. It is the sole living species in its genus, *Pteronura*.
Description
The giant otter is the largest otter species, with adult lengths commonly reported up to about 1.8 m. It has a long body, webbed feet, and a tail adapted for swimming.
Distribution and habitat
The species occurs in freshwater ecosystems in South America, especially within the Amazon, Orinoco, and La Plata river systems. It prefers rivers, creeks, lakes, and swamps with slow-moving water.
Behaviour and diet
Giant otters are social animals that live in family groups and are active hunters in aquatic habitats. Their diet consists mainly of fish.
Conservation
The giant otter is listed as Endangered by the IUCN. Population declines have been linked to habitat destruction, pollution, and poaching.
Key facts
- It is the largest otter species and can reach about 1.8 m in length.
- The giant otter is native to South America.
- It is the only extant species in the genus Pteronura.
- Main threats include habitat loss, pollution, and poaching.
- It is classified as Endangered by the IUCN.
Giant otters are not native to Canada, but they are relevant to Canadian zoo collections, wildlife education, and conservation discussions about endangered South American mammals.
Frequently asked questions
What is the scientific name of the giant otter?
Where do giant otters live?
How big is a giant otter?
What do giant otters eat?
Is the giant otter endangered?
Is the giant otter the only species in its genus?
References
- National Geographic — https://www.nationalgeographic.com/animals/mammals/facts/giant-otterSupports: Scientific name, largest otter species, South American range, endangered status
- Discover Wildlife — https://www.discoverwildlife.com/animal-facts/mammals/facts-about-giant-ottersSupports: Largest otter species, genus, habitat, reproduction, endangered status
- Otter Specialist Group — https://www.otter.org/giant-otterSupports: Species identity, conservation status, social behaviour
- WorldAtlas — https://www.worldatlas.com/articles/giant-otter-facts-animals-of-south-america.htmlSupports: Family groups, distribution, conservation threats