Guyenne Spiny-rat vs Raya

Proechimys guyannensis compared with Myliobatis peruvianus

Key Differences

• Guyenne Spiny-rat is Least Concern while Raya is Vulnerable.

Taxonomic Classification

Rank	Guyenne Spiny-rat	Raya
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Echimyidae	Myliobatidae
Genus	Proechimys	Myliobatis
Species	Proechimys guyannensis	Myliobatis peruvianus

Evolutionary Relationship

Guyenne Spiny-rat and Raya share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Guyenne Spiny-rat

LC — Least Concern

Raya

VU — Vulnerable

Physical Characteristics

Attribute	Guyenne Spiny-rat	Raya
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guyenne Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Raya

Habitat

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

Range

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