Napo Spiny-rat vs Starrynose stingray

Proechimys quadruplicatus compared with Pastinachus stellurostris

Key Differences

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

Taxonomic Classification

Rank	Napo Spiny-rat	Starrynose 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 stellurostris

Evolutionary Relationship

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

Conservation Status

Napo Spiny-rat

LC — Least Concern

Starrynose stingray

CR — Critically Endangered

Physical Characteristics

Attribute	Napo Spiny-rat	Starrynose 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.

Starrynose stingray