Bartail spurdog vs Gray-footed Spiny-rat

Squalus notocaudatus compared with Proechimys poliopus

Key Differences

• Bartail spurdog is Least Concern while Gray-footed Spiny-rat is Vulnerable.

Taxonomic Classification

Rank	Bartail spurdog	Gray-footed Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Echimyidae
Genus	Squalus	Proechimys
Species	Squalus notocaudatus	Proechimys poliopus

Evolutionary Relationship

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

Conservation Status

Bartail spurdog

LC — Least Concern

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

Attribute	Bartail spurdog	Gray-footed Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

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.

Bartail spurdog

The Bartail spurdog (Squalus notocaudatus) is a species in the genus Squalus. It is currently classified as Least Concern on the IUCN Red List.