Giant otter

Giant otter

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Giant otter: a mammal that lives on the banks of rivers

General characteristics of giant otter

The giant otter, also known as the giant otter, is a typical mammal of the Brazilian fauna, although it can be found in other South American countries. Amazon river.

Giant otters live in large groups. An otter lives on average 20 years. The weight of an adult male is between 30 and 45 pounds. Already a female weighs on average between 20 and 25 pounds. Adult males measure 1.5 to 1.8 meters in length, while females are between 1.4 and 1.7 meters.


Giant otters live in areas of streams and rivers. They usually live in burrows (holes) in the ravines of these rivers and streams. It is also common for giant otters to burrow under large tree roots.


Giant otters feed on fish, eggs, birds, small aquatic mammals, crabs and reptiles.


The gestation period of the female giant otter is 70 days. 2 to 5 puppies are born.

Risk of extinction

The giant otter is endangered (vulnerable species). One of the main threats is mercury contamination of rivers, which is widely used in the mining process.

Scientific classification

Kingdom: AnimaliaFilo: ChordataClass: MammaliaOrder: CarnivoraFamily: MustelidaeSubfamily: LutrinaeGender: PteronuraSpecies: P. brasiliensis

Kingdom: Animalia

Philo: Chordata

Class: Mammalia

Order: Carnivora

Family: Mustelidae

Subfamily: Lutrinae

Genre: Pteronura

Species: P. brasiliensis