Pacific Spiny-rat vs undulate ray

Proechimys decumanus compared with Raja undulata

Key Differences

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

Taxonomic Classification

Rank	Pacific Spiny-rat	undulate ray
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	Raja
Species	Proechimys decumanus	Raja undulata

Evolutionary Relationship

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

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Pacific Spiny-rat	undulate 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.

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Belgium. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.