Atlantic Gray Seal vs

Halichoerus grypus compared with Hyphoderma definitum

Key Differences

• Atlantic Gray Seal is Vulnerable while is Data Deficient.

Taxonomic Classification

Rank	Atlantic Gray Seal
Kingdom	Animalia (حيوانات)	Fungi (فطر)
Phylum	Chordata (حبليات)	Basidiomycota (دعاميات)
Class	Mammalia (ثدييات)	Agaricomycetes (غاريقونانية)
Order	Pinnipedia (Seals & Sea Lions)	Polyporales (متعددات الأبواغ)
Family	Phocidae (True Seals)	Hyphodermataceae
Genus	Halichoerus	Hyphoderma
Species	Halichoerus grypus	Hyphoderma definitum

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

DD — Data Deficient

Physical Characteristics

Attribute	Atlantic Gray Seal
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.

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, Sweden, and Taiwan.

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.

Hyphoderma definitum is a corticioid fungus in the family Polyporaceae, assessed as Data Deficient (DD). It forms thin, resupinate fruiting bodies on decaying wood in forest habitats. Limited collection records make a comprehensive conservation assessment difficult.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden