Common Seal vs

Phoca vitulina compared with Hydnellum compactum

Key Differences

Common Seal is Near Threatened while is Vulnerable.

Taxonomic Classification

Rank	Common Seal
Kingdom	Animalia (動物)	Fungi (菌界)
Phylum	Chordata (脊索動物)	Basidiomycota (担子菌門)
Class	Mammalia (哺乳類)	Agaricomycetes (真正担子菌綱)
Order	Pinnipedia (Seals & Sea Lions)	Thelephorales (イボタケ目)
Family	Phocidae (True Seals)	Bankeraceae
Genus	Phoca (Harbor Seals)	Hydnellum
Species	Phoca vitulina	Hydnellum compactum

Conservation Status

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

VU — Vulnerable

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

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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。

Hydnellum compactumは下面にトゲを持つ緻密な黄褐色〜錆褐色の傘表面をもつ有柄の歯菌類である。欧州と北米の一部の針葉樹林の林床に生育し、マツ、トウヒ、モミと外生菌根共生関係を形成する。