Blacktail spurdog vs Narrow-headed Vole

Squalus melanurus compared with Microtus gregalis

Key Differences

• Blacktail spurdog is Data Deficient while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Narrow-headed Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Cricetidae
Genus	Squalus	Microtus
Species	Squalus melanurus	Microtus gregalis

Evolutionary Relationship

Blacktail spurdog and Narrow-headed Vole share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Narrow-headed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.