Cuvier s Spiny-rat vs undulate ray

Proechimys cuvieri compared with Raja undulata

Key Differences

• Cuvier s Spiny-rat is Least Concern while undulate ray is Endangered.

Taxonomic Classification

Rank	Cuvier s Spiny-rat	undulate ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Echimyidae	Rajidae
Genus	Proechimys	Raja
Species	Proechimys cuvieri	Raja undulata

Evolutionary Relationship

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

Conservation Status

Cuvier s Spiny-rat

LC — Least Concern

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Cuvier s Spiny-rat	undulate 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.

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Belgium. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.