Common Seal vs

Phoca vitulina compared with Nitzschia angularis

Key Differences

  • Common Seal is Near Threatened while is Not Evaluated.

Taxonomic Classification

Rank Common Seal
Kingdom Animalia (動物) Chromista (クロミスタ)
Phylum Chordata (脊索動物) Ochrophyta (オクロ植物)
Class Mammalia (哺乳類) Bacillariophyceae (クサリケイソウ綱)
Order Pinnipedia (Seals & Sea Lions) Bacillariales (Bacillariales)
Family Phocidae (True Seals) Bacillariaceae
Genus Phoca (Harbor Seals) Nitzschia
Species Phoca vitulina Nitzschia angularis

Conservation Status

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

NE — Not Evaluated

Physical Characteristics

Attribute Common Seal
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.

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, Sweden, and Taiwan.

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。

Nitzschia angularisは角張った端部と殻の竜骨に沿って位置する特徴的な縫合線を持つ細長い羽状淡水珪藻である。河川、池、栄養豊富な湖を含む富栄養から中栄養の淡水環境に生息する。この光合成珪藻は中程度に栄養が豊富な淡水条件と関連している。

Shared Countries

Both species can be found in 2 countries:

Nature FYI Family

Explore more of the natural world across our sister sites.

Part of the Nature FYI family — FYIPedia