Pacific Spiny-rat vs Roughback Whipray

Proechimys decumanus compared with Fluvitrygon kittipongi

Key Differences

• Pacific Spiny-rat is Near Threatened while Roughback Whipray is Endangered.

Taxonomic Classification

Rank	Pacific Spiny-rat	Roughback Whipray
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	Fluvitrygon
Species	Proechimys decumanus	Fluvitrygon kittipongi

Evolutionary Relationship

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

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Roughback Whipray

EN — Endangered

Physical Characteristics

Attribute	Pacific Spiny-rat	Roughback Whipray
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.

Roughback Whipray