Common Seal vs イボアナゴ

Phoca vitulina compared with Haliotis varia

Key Differences

• Common Seal is Near Threatened while イボアナゴ is Least Concern.

Taxonomic Classification

Rank	Common Seal	イボアナゴ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Mollusca (軟体動物)
Class	Mammalia (哺乳類)	Gastropoda (腹足綱)
Order	Pinnipedia (Seals & Sea Lions)	Lepetellida (Lepetellida)
Family	Phocidae (True Seals)	Haliotidae
Genus	Phoca (Harbor Seals)	Haliotis
Species	Phoca vitulina	Haliotis varia

Evolutionary Relationship

Common Seal and イボアナゴ share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

イボアナゴ

LC — Least Concern

Physical Characteristics

Attribute	Common Seal	イボアナゴ
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.

イボアナゴ

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and deserts and xeric shrublands within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Sri Lanka 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。