Hooded seal vs Ridged Tooth

Cystophora cristata compared with Hydnellum scrobiculatum

Key Differences

• Hooded seal is Endangered while Ridged Tooth is Data Deficient.

Taxonomic Classification

Rank	Hooded seal	Ridged Tooth
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Pinnipedia (Seals & Sea Lions)	Thelephorales (Thelephorales)
Family	Phocidae (True Seals)	Bankeraceae
Genus	Cystophora	Hydnellum
Species	Cystophora cristata	Hydnellum scrobiculatum

Conservation Status

Hooded seal

EN — Endangered

Ridged Tooth

DD — Data Deficient

Physical Characteristics

Attribute	Hooded seal	Ridged Tooth
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hooded seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Ridged Tooth

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal