Napo Spiny-rat vs Sailray

Proechimys quadruplicatus compared with Rajella lintea

Key Differences

• Napo Spiny-rat is Least Concern while Sailray is Near Threatened.

Taxonomic Classification

Rank	Napo Spiny-rat	Sailray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Echimyidae	Rajidae
Genus	Proechimys	Rajella
Species	Proechimys quadruplicatus	Rajella lintea

Evolutionary Relationship

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

Conservation Status

Napo Spiny-rat

LC — Least Concern

Sailray

NT — Near Threatened

Physical Characteristics

Attribute	Napo Spiny-rat	Sailray
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.

Sailray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.