Pacific Spiny-rat vs Round whip ray

Proechimys decumanus compared with Maculabatis pastinacoides

Key Differences

• Pacific Spiny-rat is Near Threatened while Round whip ray is Endangered.

Taxonomic Classification

Rank	Pacific Spiny-rat	Round whip ray
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	Maculabatis
Species	Proechimys decumanus	Maculabatis pastinacoides

Evolutionary Relationship

Pacific Spiny-rat and Round whip ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Round whip ray

EN — Endangered

Physical Characteristics

Attribute	Pacific Spiny-rat	Round whip ray
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.

Round whip ray