Bartail spurdog vs Hooded seal

Squalus notocaudatus compared with Cystophora cristata

Key Differences

• Bartail spurdog is Least Concern while Hooded seal is Endangered.

Taxonomic Classification

Rank	Bartail spurdog	Hooded seal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Pinnipedia (Seals & Sea Lions)
Family	Squalidae	Phocidae (True Seals)
Genus	Squalus	Cystophora
Species	Squalus notocaudatus	Cystophora cristata

Evolutionary Relationship

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

Conservation Status

Bartail spurdog

LC — Least Concern

Hooded seal

EN — Endangered

Physical Characteristics

Attribute	Bartail spurdog	Hooded seal
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

Hooded seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Bartail spurdog

The Bartail spurdog (Squalus notocaudatus) is a species in the genus Squalus. It is currently classified as Least Concern on the IUCN Red List.