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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. Skip to content
Giant otter fossil remains have been recovered from a cave in the Brazilian Mato Grosso. Phylogenetic analysis by Koepfli and Wayne in 1998 found the giant otter has the highest divergence sequences within the otter subfamily, forming a distinct clade that split away 10 to 14 million years ago.
Giant otters, endangered top predators which live in Amazon river ecosystems, were nearly wiped out because of demand for their fur. Following the banning of fur trade, giant otter numbers have recovered across South America. However, there are several emerging threats to this sensitive species.
Moreover, the Giant Otter is intrinsically vulnerable to extinction: combined with low habitat resilience and the fact that only a quarter to a third of the total population reproduces, the species also shows late maturity, late breeding age, suspected low transient
Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species.
The giant otter, an endangered apex predator in Amazon river ecosystems, was nearly driven to extinction because of demand for its fur. Following the banning of fur trade, giant otter populations have recovered across South America. However, there are several emerging threats to this sensitive species. The Problem.
The giant otter ( Pteronura brasiliensis) is an Endangered apex carnivore inhabiting the Madre de Dios region in Peru’s Amazon basin. Despite a recent recovery in some areas following banning of the fur trade, the species now faces several emerging threats that remain poorly understood.
