Napo Spiny-rat vs Shortnose eagle ray

Proechimys quadruplicatus compared with Myliobatis ridens

Key Differences

• Napo Spiny-rat is Least Concern while Shortnose eagle ray is Critically Endangered.

Taxonomic Classification

Rank	Napo Spiny-rat	Shortnose eagle ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Echimyidae	Myliobatidae
Genus	Proechimys	Myliobatis
Species	Proechimys quadruplicatus	Myliobatis ridens

Evolutionary Relationship

Napo Spiny-rat and Shortnose eagle ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Napo Spiny-rat

LC — Least Concern

Shortnose eagle ray

CR — Critically Endangered

Physical Characteristics

Attribute	Napo Spiny-rat	Shortnose eagle 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.

Shortnose eagle ray