Chilean rock rat vs Giant Otter

Aconaemys fuscus compared with Pteronura brasiliensis

Key Differences

• Chilean rock rat is Least Concern while Giant Otter is Endangered.

Taxonomic Classification

Rank	Chilean rock rat	Giant Otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Carnivora (Carnivorans)
Family	Octodontidae	Mustelidae (Weasels & Otters)
Genus	Aconaemys	Pteronura
Species	Aconaemys fuscus	Pteronura brasiliensis

Evolutionary Relationship

Chilean rock rat and Giant Otter share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Chilean rock rat

LC — Least Concern

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Chilean rock rat	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chilean rock rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Chilean rock rat

The Chilean rock rat (Aconaemys fuscus) is a species in the genus Aconaemys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.