Napo Spiny-rat vs Spotted Ray

Proechimys quadruplicatus compared with Bathyraja albomaculata

Key Differences

• Napo Spiny-rat is Least Concern while Spotted Ray is Vulnerable.

Taxonomic Classification

Rank	Napo Spiny-rat	Spotted 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	Bathyraja
Species	Proechimys quadruplicatus	Bathyraja albomaculata

Evolutionary Relationship

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

Conservation Status

Napo Spiny-rat

LC — Least Concern

Spotted Ray

VU — Vulnerable

Physical Characteristics

Attribute	Napo Spiny-rat	Spotted Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Spotted Ray

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.