Amazonian Marsh Rat vs Dwarf whip ray

Holochilus sciureus compared with Brevitrygon walga

Key Differences

• Amazonian Marsh Rat is Least Concern while Dwarf whip ray is Near Threatened.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Dwarf whip ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Cricetidae	Dasyatidae
Genus	Holochilus	Brevitrygon
Species	Holochilus sciureus	Brevitrygon walga

Evolutionary Relationship

Amazonian Marsh Rat and Dwarf whip ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Dwarf whip ray

NT — Near Threatened

Physical Characteristics

Attribute	Amazonian Marsh Rat	Dwarf whip ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Dwarf whip ray

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.