Common Seal vs Glaucous King-Devil

Phoca vitulina compared with Pilosella piloselloides

Key Differences

Common Seal is Near Threatened while Glaucous King-Devil is Not Evaluated.

Taxonomic Classification

Rank	Common Seal	Glaucous King-Devil
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Pinnipedia (Seals & Sea Lions)	Asterales (Daisies & Sunflowers)
Family	Phocidae (True Seals)	Asteraceae (Daisy Family)
Genus	Phoca (Harbor Seals)	Pilosella
Species	Phoca vitulina	Pilosella piloselloides

Conservation Status

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Glaucous King-Devil

NE — Not Evaluated

Physical Characteristics

Attribute	Common Seal	Glaucous King-Devil
Diet	Carnivore	—
Average Lifespan	30 years	—
Average Length	1.7 m	—
Average Weight	80.0 kg	—

Habitat & Geographic Range

Common Seal

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.

Glaucous King-Devil

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Belgium, Norway, and United States.

Common Seal

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.