Atlantic Gray Seal vs Pleated tunicate

Halichoerus grypus compared with Styela plicata

Key Differences

• Atlantic Gray Seal is Vulnerable while Pleated tunicate is Not Evaluated.

Taxonomic Classification

Rank	Atlantic Gray Seal	Pleated tunicate
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Ascidiacea (Ascidiacea)
Order	Pinnipedia (Seals & Sea Lions)	Stolidobranchia (Stolidobranchia)
Family	Phocidae (True Seals)	Styelidae
Genus	Halichoerus	Styela
Species	Halichoerus grypus	Styela plicata

Evolutionary Relationship

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

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Pleated tunicate

NE — Not Evaluated

Physical Characteristics

Attribute	Atlantic Gray Seal	Pleated tunicate
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.

Pleated tunicate

Habitat

Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (Senegal, South Africa), Asia (7 countries), Europe (11 countries), North America (Mexico, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Brazil, Uruguay, Venezuela).

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 2 countries:

🇧🇪 Belgium 🇵🇹 Portugal