Bighead spurdog vs Narrow-headed Vole

Squalus bucephalus compared with Microtus gregalis

Key Differences

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

Taxonomic Classification

Rank	Bighead 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 bucephalus	Microtus gregalis

Evolutionary Relationship

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

Conservation Status

Bighead spurdog

DD — Data Deficient

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Bighead spurdog

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bighead spurdog

The Bighead spurdog (Squalus bucephalus) is a species in the genus Squalus.