Cuvier s Spiny-rat vs Ray

Proechimys cuvieri compared with Sympterygia bonapartii

Key Differences

• Cuvier s Spiny-rat is Least Concern while Ray is Near Threatened.

Taxonomic Classification

Rank	Cuvier s Spiny-rat	Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Echimyidae	Arhynchobatidae
Genus	Proechimys	Sympterygia
Species	Proechimys cuvieri	Sympterygia bonapartii

Evolutionary Relationship

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

Conservation Status

Cuvier s Spiny-rat

LC — Least Concern

Ray

NT — Near Threatened

Physical Characteristics

Attribute	Cuvier s Spiny-rat	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.

Ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.