コウテイペンギン vs Marbled Ghostshark

Aptenodytes forsteri compared with Hydrolagus marmoratus

Key Differences

• コウテイペンギン is Near Threatened while Marbled Ghostshark is Least Concern.

Taxonomic Classification

Rank	コウテイペンギン	Marbled Ghostshark
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Aves (鳥類)	Holocephali (全頭亜綱)
Order	Sphenisciformes (Penguins)	Chimaeriformes (ギンザメ目)
Family	Spheniscidae (Penguins)	Chimaeridae
Genus	Aptenodytes (Great Penguins)	Hydrolagus
Species	Aptenodytes forsteri	Hydrolagus marmoratus

Evolutionary Relationship

コウテイペンギン and Marbled Ghostshark share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

コウテイペンギン

NT — Near Threatened

Population: ~595.0K

Trend: Stable →

Marbled Ghostshark

LC — Least Concern

Physical Characteristics

Attribute	コウテイペンギン	Marbled Ghostshark
Diet	Carnivore	—
Average Lifespan	20 years	—
Average Length	1.1 m	—
Average Weight	40.0 kg	—

Habitat & Geographic Range

コウテイペンギン

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Marbled Ghostshark

コウテイペンギン

世界最大のペンギンであるコウテイペンギン（Aptenodytes forsteri）は体高最大1.2m、体重45kgで、地球上で最も過酷な環境の一つである南極大陸に生息しています。零下60°C以下の真冬の暗闇の中で繁殖し、雌が海上にいる間、雄が65日間足の上で育雛嚢の下に一つの卵を温め続けます。数千羽からなる群れで個体が暖かい中心部を循環するいわゆるハドリング行動は、協調的な生存戦略の傑作です。