Gray-footed Spiny-rat vs Spinetail ray

Proechimys poliopus compared with Bathyraja spinicauda

Key Differences

• Gray-footed Spiny-rat is Vulnerable while Spinetail ray is Near Threatened.

Taxonomic Classification

Rank	Gray-footed Spiny-rat	Spinetail ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Echimyidae	Arhynchobatidae
Genus	Proechimys	Bathyraja
Species	Proechimys poliopus	Bathyraja spinicauda

Evolutionary Relationship

Gray-footed Spiny-rat and Spinetail ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-footed Spiny-rat

VU — Vulnerable

Spinetail ray

NT — Near Threatened

Physical Characteristics

Attribute	Gray-footed Spiny-rat	Spinetail ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Spinetail ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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