Hooded seal vs rough top shell

Cystophora cristata compared with Jujubinus exasperatus

Key Differences

• Hooded seal is Endangered while rough top shell is Not Evaluated.

Taxonomic Classification

Rank	Hooded seal	rough top shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Pinnipedia (Seals & Sea Lions)	Trochida (Trochida)
Family	Phocidae (True Seals)	Trochidae
Genus	Cystophora	Jujubinus
Species	Cystophora cristata	Jujubinus exasperatus

Evolutionary Relationship

Hooded seal and rough top shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Hooded seal

EN — Endangered

rough top shell

NE — Not Evaluated

Physical Characteristics

Attribute	Hooded seal	rough top shell
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.

rough top shell

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Asia (Turkey) and Europe (7 countries).

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇵🇹 Portugal