Hooded seal vs Rusty Crust

Cystophora cristata compared with Skeletocutis amorpha

Key Differences

• Hooded seal is Endangered while Rusty Crust is Least Concern.

Taxonomic Classification

Rank	Hooded seal	Rusty Crust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Pinnipedia (Seals & Sea Lions)	Polyporales (Polyporales)
Family	Phocidae (True Seals)	Incrustoporiaceae
Genus	Cystophora	Skeletocutis
Species	Cystophora cristata	Skeletocutis amorpha

Conservation Status

Hooded seal

EN — Endangered

Rusty Crust

LC — Least Concern

Physical Characteristics

Attribute	Hooded seal	Rusty Crust
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.

Rusty Crust

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway