Atlantic Gray Seal vs Cat flea

Halichoerus grypus compared with Ctenocephalides felis

Key Differences

• Atlantic Gray Seal is Vulnerable while Cat flea is Not Evaluated.

Taxonomic Classification

Rank	Atlantic Gray Seal	Cat flea
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Pinnipedia (Seals & Sea Lions)	Siphonaptera (Siphonaptera)
Family	Phocidae (True Seals)	Pulicidae
Genus	Halichoerus	Ctenocephalides
Species	Halichoerus grypus	Ctenocephalides felis

Evolutionary Relationship

Atlantic Gray Seal and Cat flea share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Cat flea

NE — Not Evaluated

Physical Characteristics

Attribute	Atlantic Gray Seal	Cat flea
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Gray Seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Cat flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (South Africa), Europe (6 countries), and North America (United States).

Atlantic Gray Seal

The Atlantic Gray Seal (Halichoerus grypus) is a species in the genus Halichoerus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Cat flea

The Cat flea (Ctenocephalides felis) is a species in the genus Ctenocephalides. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden