Pacific Spiny-rat vs Shortnose eagle ray

Proechimys decumanus compared with Myliobatis ridens

Key Differences

• Pacific Spiny-rat is Near Threatened while Shortnose eagle ray is Critically Endangered.

Taxonomic Classification

Rank	Pacific Spiny-rat	Shortnose eagle ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Echimyidae	Myliobatidae
Genus	Proechimys	Myliobatis
Species	Proechimys decumanus	Myliobatis ridens

Evolutionary Relationship

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

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Shortnose eagle ray

CR — Critically Endangered

Physical Characteristics

Attribute	Pacific Spiny-rat	Shortnose eagle 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.

Shortnose eagle ray