Seehund vs Flea

Phoca vitulina compared with Nosopsyllus londiniensis

Key Differences

• Seehund is Near Threatened while Flea is Not Evaluated.

Taxonomic Classification

Rank	Seehund	Flea
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Arthropoda (Gliederfüßer)
Class	Mammalia (Säugetiere)	Insecta (Insekten)
Order	Pinnipedia (Seals & Sea Lions)	Siphonaptera (Flöhe)
Family	Phocidae (True Seals)	Ceratophyllidae
Genus	Phoca (Harbor Seals)	Nosopsyllus
Species	Phoca vitulina	Nosopsyllus londiniensis

Evolutionary Relationship

Seehund and Flea share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Seehund

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Flea

NE — Not Evaluated

Physical Characteristics

Attribute	Seehund	Flea
Diet	Carnivore	—
Average Lifespan	30 years	—
Average Length	1.7 m	—
Average Weight	80.0 kg	—

Habitat & Geographic Range

Seehund

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (7 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Sweden and United States.

Seehund

The most widely distributed pinniped, harbor seals inhabit temperate and subarctic coastal waters of both the North Atlantic and North Pacific. Adults reach up to 130 kg and spend roughly equal time at sea hunting fish, squid, and crustaceans and hauling out on beaches or rocks to rest. Their large, expressive eyes are adapted for underwater vision in low light. Harbor seals are a critical food source for orcas, sharks, and polar bears.

Shared Countries

Both species can be found in 2 countries:

🇸🇪 Sweden 🇺🇸 United States