Atlantic Gray Seal vs Isopod

Halichoerus grypus compared with Porcellio dilatatus

Key Differences

• Atlantic Gray Seal is Vulnerable while Isopod is Not Evaluated.

Taxonomic Classification

Rank	Atlantic Gray Seal	Isopod
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Malacostraca (Crustaceans)
Order	Pinnipedia (Seals & Sea Lions)	Isopoda (Isopoda)
Family	Phocidae (True Seals)	Porcellionidae
Genus	Halichoerus	Porcellio
Species	Halichoerus grypus	Porcellio dilatatus

Evolutionary Relationship

Atlantic Gray Seal and Isopod share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Isopod

NE — Not Evaluated

Physical Characteristics

Attribute	Atlantic Gray Seal	Isopod
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.

Isopod

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Brazil).

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden