Hooded seal vs Spiral Tarcrust

Cystophora cristata compared with Eutypa spinosa

Key Differences

• Hooded seal is Endangered while Spiral Tarcrust is Least Concern.

Taxonomic Classification

Rank	Hooded seal	Spiral Tarcrust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Sordariomycetes (Sordariomycetes)
Order	Pinnipedia (Seals & Sea Lions)	Xylariales (Xylariales)
Family	Phocidae (True Seals)	Diatrypaceae
Genus	Cystophora	Eutypa
Species	Cystophora cristata	Eutypa spinosa

Conservation Status

Hooded seal

EN — Endangered

Spiral Tarcrust

LC — Least Concern

Physical Characteristics

Attribute	Hooded seal	Spiral Tarcrust
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.

Spiral Tarcrust

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway