Bighead spurdog vs Northern Red-backed Vole

Squalus bucephalus compared with Myodes rutilus

Key Differences

• Bighead spurdog is Data Deficient while Northern Red-backed Vole is Least Concern.

Taxonomic Classification

Rank	Bighead spurdog	Northern Red-backed 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	Myodes
Species	Squalus bucephalus	Myodes rutilus

Evolutionary Relationship

Bighead spurdog and Northern Red-backed Vole share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bighead spurdog

DD — Data Deficient

Northern Red-backed Vole

LC — Least Concern

Physical Characteristics

Attribute	Bighead spurdog	Northern Red-backed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bighead spurdog

Northern Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway, Russia, and Sweden.

Bighead spurdog

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