Cuvier s Spiny-rat vs Dwarf whip ray

Proechimys cuvieri compared with Brevitrygon walga

Key Differences

• Cuvier s Spiny-rat is Least Concern while Dwarf whip ray is Near Threatened.

Taxonomic Classification

Rank	Cuvier s Spiny-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	Echimyidae	Dasyatidae
Genus	Proechimys	Brevitrygon
Species	Proechimys cuvieri	Brevitrygon walga

Evolutionary Relationship

Cuvier s Spiny-rat and Dwarf whip ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cuvier s Spiny-rat

LC — Least Concern

Dwarf whip ray

NT — Near Threatened

Physical Characteristics

Attribute	Cuvier s Spiny-rat	Dwarf whip ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cuvier s Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and Venezuela.

Dwarf whip ray