Arctic fox vs Blacktail spurdog

Vulpes lagopus compared with Squalus melanurus

Key Differences

• Arctic fox is Critically Endangered while Blacktail spurdog is Data Deficient.

Taxonomic Classification

Rank	Arctic fox	Blacktail spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Carnivora (Carnivorans)	Squaliformes (Squaliformes)
Family	Canidae (Dogs & Wolves)	Squalidae
Genus	Vulpes (Foxes)	Squalus
Species	Vulpes lagopus	Squalus melanurus

Evolutionary Relationship

Arctic fox and Blacktail spurdog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic fox

CR — Critically Endangered

Blacktail spurdog

DD — Data Deficient

Physical Characteristics

Attribute	Arctic fox	Blacktail spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Blacktail spurdog

Arctic fox

The Arctic fox (Vulpes lagopus) is a species in the genus Vulpes. It is currently classified as Critically Endangered on the IUCN Red List. 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.