Giant Otter vs Red Mouse Opossum

Pteronura brasiliensis compared with Marmosa rubra

Key Differences

• Giant Otter is Endangered while Red Mouse Opossum is Data Deficient.

Taxonomic Classification

Rank	Giant Otter	Red Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Didelphimorphia (Didelphimorphia)
Family	Mustelidae (Weasels & Otters)	Didelphidae
Genus	Pteronura	Marmosa
Species	Pteronura brasiliensis	Marmosa rubra

Evolutionary Relationship

Giant Otter and Red Mouse Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Giant Otter

EN — Endangered

Red Mouse Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Giant Otter	Red Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Red Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia