Angular rough shark vs Common Seal

Oxynotus centrina compared with Phoca vitulina

Key Differences

• Angular rough shark is Not Evaluated while Common Seal is Near Threatened.

Taxonomic Classification

Rank	Angular rough shark	Common Seal
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (mamalia)
Order	Squaliformes (Squaliformes)	Pinnipedia (Seals & Sea Lions)
Family	Oxynotidae	Phocidae (True Seals)
Genus	Oxynotus	Phoca (Harbor Seals)
Species	Oxynotus centrina	Phoca vitulina

Evolutionary Relationship

Angular rough shark and Common Seal share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Angular rough shark

NE — Not Evaluated

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Physical Characteristics

Attribute	Angular rough shark	Common Seal
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	1.7 m
Average Weight	—	80.0 kg

Habitat & Geographic Range

Angular rough shark

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Angular rough shark

The Angular rough shark (Oxynotus centrina) is a species in the genus Oxynotus. Native to Europe, inhabiting ecosystems characteristic of the region.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden