Giant Otter vs Ricefield Rat

Pteronura brasiliensis compared with Rattus argentiventer

Key Differences

• Giant Otter is Endangered while Ricefield Rat is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Ricefield Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Rodentia (Rodents)
Family	Mustelidae (Weasels & Otters)	Muridae (Mice & Rats)
Genus	Pteronura	Rattus
Species	Pteronura brasiliensis	Rattus argentiventer

Evolutionary Relationship

Giant Otter and Ricefield Rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Giant Otter

EN — Endangered

Ricefield Rat

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Ricefield Rat
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.

Ricefield Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Philippines.