Hooded seal vs Keeled slug

Cystophora cristata compared with Tandonia kusceri

Key Differences

• Hooded seal is Endangered while Keeled slug is Least Concern.

Taxonomic Classification

Rank	Hooded seal	Keeled slug
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Pinnipedia (Seals & Sea Lions)	Stylommatophora (Stylommatophora)
Family	Phocidae (True Seals)	Milacidae
Genus	Cystophora	Tandonia
Species	Cystophora cristata	Tandonia kusceri

Evolutionary Relationship

Hooded seal and Keeled slug share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Hooded seal

EN — Endangered

Keeled slug

LC — Least Concern

Physical Characteristics

Attribute	Hooded seal	Keeled slug
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.

Keeled slug

Habitat

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

Range

Distributed across Greece, Moldova, Ukraine, and United States.