Napo Spiny-rat vs Smalltooth stingray

Proechimys quadruplicatus compared with Hypanus rudis

Key Differences

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

Taxonomic Classification

Rank	Napo Spiny-rat	Smalltooth 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	Hypanus
Species	Proechimys quadruplicatus	Hypanus rudis

Evolutionary Relationship

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

Conservation Status

Napo Spiny-rat

LC — Least Concern

Smalltooth stingray

CR — Critically Endangered

Physical Characteristics

Attribute	Napo Spiny-rat	Smalltooth 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.

Smalltooth stingray