Carriker’s Speckled Tree-rat vs Giant Otter

Pattonomys carrikeri compared with Pteronura brasiliensis

Key Differences

• Carriker’s Speckled Tree-rat is Data Deficient while Giant Otter is Endangered.

Taxonomic Classification

Rank	Carriker’s Speckled Tree-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	Echimyidae	Mustelidae (Weasels & Otters)
Genus	Pattonomys	Pteronura
Species	Pattonomys carrikeri	Pteronura brasiliensis

Evolutionary Relationship

Carriker’s Speckled Tree-rat and Giant Otter share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Carriker’s Speckled Tree-rat

DD — Data Deficient

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Carriker’s Speckled Tree-rat	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Carriker’s Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.

Carriker’s Speckled Tree-rat

The Carriker’s Speckled Tree-rat (Pattonomys carrikeri) is a species in the genus Pattonomys. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 1 countries:

🇻🇪 Venezuela