Atlantic Gray Seal vs smooth hound

Halichoerus grypus compared with Mustelus mustelus

Key Differences

• Atlantic Gray Seal is Vulnerable while smooth hound is Not Evaluated.

Taxonomic Classification

Rank	Atlantic Gray Seal	smooth hound
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Pinnipedia (Seals & Sea Lions)	Carcharhiniformes (Ground Sharks)
Family	Phocidae (True Seals)	Triakidae
Genus	Halichoerus	Mustelus
Species	Halichoerus grypus	Mustelus mustelus

Evolutionary Relationship

Atlantic Gray Seal and smooth hound share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

smooth hound

NE — Not Evaluated

Physical Characteristics

Attribute	Atlantic Gray Seal	smooth hound
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Gray Seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

smooth hound

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Denmark, Norway, and Sweden.

Atlantic Gray Seal

The Atlantic Gray Seal (Halichoerus grypus) is a species in the genus Halichoerus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden