Napo Spiny-rat vs Narrowtail stingray

Proechimys quadruplicatus compared with Pastinachus gracilicaudus

Key Differences

• Napo Spiny-rat is Least Concern while Narrowtail stingray is Endangered.

Taxonomic Classification

Rank	Napo Spiny-rat	Narrowtail stingray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Echimyidae	Dasyatidae
Genus	Proechimys	Pastinachus
Species	Proechimys quadruplicatus	Pastinachus gracilicaudus

Evolutionary Relationship

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

Conservation Status

Napo Spiny-rat

LC — Least Concern

Narrowtail stingray

EN — Endangered

Physical Characteristics

Attribute	Napo Spiny-rat	Narrowtail stingray
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.

Narrowtail stingray