Multispine skate vs Napo Spiny-rat

Bathyraja multispinis compared with Proechimys quadruplicatus

Key Differences

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

Taxonomic Classification

Rank	Multispine skate	Napo Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Rodentia (Rodents)
Family	Arhynchobatidae	Echimyidae
Genus	Bathyraja	Proechimys
Species	Bathyraja multispinis	Proechimys quadruplicatus

Evolutionary Relationship

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

Conservation Status

Multispine skate

NT — Near Threatened

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Multispine skate	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Multispine skate

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.