Common Seal vs Gem

Phoca vitulina compared with Orthonama obstipata

Key Differences

• Common Seal is Near Threatened while Gem is Not Evaluated.

Taxonomic Classification

Rank	Common Seal	Gem
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum	Chordata (حبليات)	Arthropoda (مفصليات الأرجل)
Class	Mammalia (ثدييات)	Insecta (حشرات)
Order	Pinnipedia (Seals & Sea Lions)	Lepidoptera (حرشفيات الأجنحة)
Family	Phocidae (True Seals)	Geometridae
Genus	Phoca (Harbor Seals)	Orthonama
Species	Phoca vitulina	Orthonama obstipata

Evolutionary Relationship

Common Seal and Gem share a common ancestor at the Kingdom level: Animalia. (حيوانات)

Conservation Status

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Gem

NE — Not Evaluated

Physical Characteristics

Attribute	Common Seal	Gem
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.

Gem

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (Cabo Verde, Congo (DRC), South Africa), Asia (Taiwan), Europe (4 countries), and North America (Canada, 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.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States