Hooded seal vs Nurse hound

Cystophora cristata compared with Scyliorhinus cervigoni

Key Differences

• Hooded seal is Endangered while Nurse hound is Data Deficient.

Taxonomic Classification

Rank	Hooded seal	Nurse hound
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Pinnipedia (Seals & Sea Lions)	Carcharhiniformes (Ground Sharks)
Family	Phocidae (True Seals)	Scyliorhinidae
Genus	Cystophora	Scyliorhinus
Species	Cystophora cristata	Scyliorhinus cervigoni

Evolutionary Relationship

Hooded seal and Nurse hound share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Hooded seal

EN — Endangered

Nurse hound

DD — Data Deficient

Physical Characteristics

Attribute	Hooded seal	Nurse hound
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.

Nurse hound

Habitat

Typically found in marine environments from coastal waters to deep ocean.