Pacific Spiny-rat vs Sawback skate

Proechimys decumanus compared with Leucoraja pristispina

Key Differences

• Pacific Spiny-rat is Near Threatened while Sawback skate is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-rat	Sawback skate
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	Leucoraja
Species	Proechimys decumanus	Leucoraja pristispina

Evolutionary Relationship

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

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Sawback skate

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	Sawback skate
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Sawback skate