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 (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Elasmobranchii	Mammalia (哺乳類)
Order	Squaliformes (ツノザメ目)	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. (脊索動物)

表示 Phylum: Chordata

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

最も広く分布する鰭脚類であるゴマフアザラシの近縁種・ゼニガタアザラシ（Phoca vitulina）は、北大西洋と北太平洋の温帯・亜北極沿岸に生息する。成体は最大130kgに達し、海での魚・イカ・甲殻類の捕食と海岸や岩場での休息にほぼ同じ時間を費やす。大きく表情豊かな目は低照度での水中視覚に適応している。シャチ・サメ・ホッキョクグマにとって重要な食料源である。