Bearded seal vs Blacktail spurdog

Erignathus barbatus compared with Squalus melanurus

Key Differences

• Bearded seal is Not Evaluated while Blacktail spurdog is Data Deficient.

Taxonomic Classification

Rank	Bearded seal	Blacktail spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Pinnipedia (Seals & Sea Lions)	Squaliformes (Squaliformes)
Family	Phocidae (True Seals)	Squalidae
Genus	Erignathus	Squalus
Species	Erignathus barbatus	Squalus melanurus

Evolutionary Relationship

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

Conservation Status

Bearded seal

NE — Not Evaluated

Blacktail spurdog

DD — Data Deficient

Physical Characteristics

Attribute	Bearded seal	Blacktail spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bearded seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway and Sweden.

Blacktail spurdog

Bearded seal

The Bearded seal (Erignathus barbatus) is a species in the genus Erignathus. 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.