The giant otter or giant river otter[4] (Pteronura brasiliensis) is a South American carnivorous mammal. It is the longest member of the weasel family, Mustelidae, a globally successful group of predators, …

The Giant otter (Pteronura brasiliensis) is a South American carnivorous mammal. It is the longest member of the weasel family, Mustelidae, a globally successful group of predators.

Oct 9, 2023 · The giant river otter, Pteronura brasiliensis, also known as the giant otter, is the world’s longest, and second-heaviest, otter species. It is native to South America, where it is found in the …

Jul 17, 2025 · Giant otters (Pteronura brasiliensis) are the largest members of the mustelid family, inhabiting freshwater ecosystems across the Amazon Basin. With bodies reaching up to 1.8 meters …

One of the largest carnivores in South America, the Giant Otter can reach lengths of up to 2 metres, and can weigh in at around 32kg - that's almost double the length of the Marine Otter, and 5 times heavier!

The Giant Otter (Pteronura brasiliensis) is an impressive mammal that captures the hearts of wildlife enthusiasts with its playful antics and social behavior. Known as the largest otter species in the …

The largest extant otter species in the world is the giant otter from South America. Nearly hunted to extinction, it can reach up to 170 cm in length and lives in large, social family groups that sleep, play …

Find out why the world’s largest otter has become endangered. Learn how their webbed feet, fur, and ears are perfectly adapted to their riverine environment.

Explore the Giant Otter (Pteronura brasiliensis), South America's largest otter—an intelligent, social predator thriving in the rivers of the Amazon.

Giant otters are the largest of any otter in the world growing up to 1.8m. They are double the size of world’s smallest otter, the Asian short-clawed otter (below).