Atlantic Gray Seal vs Three-lined Soldier

Halichoerus grypus compared with Oxycera trilineata

Key Differences

• Atlantic Gray Seal is Vulnerable while Three-lined Soldier is Endangered.

Taxonomic Classification

Rank	Atlantic Gray Seal	Three-lined Soldier
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Pinnipedia (Seals & Sea Lions)	Diptera (Diptera)
Family	Phocidae (True Seals)	Stratiomyidae
Genus	Halichoerus	Oxycera
Species	Halichoerus grypus	Oxycera trilineata

Evolutionary Relationship

Atlantic Gray Seal and Three-lined Soldier share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Three-lined Soldier

EN — Endangered

Physical Characteristics

Attribute	Atlantic Gray Seal	Three-lined Soldier
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.

Three-lined Soldier

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden