koala vs Thorny Sea Pen

Phascolarctos cinereus compared with Pennatula aculeata

Key Differences

koala is Vulnerable while Thorny Sea Pen is Not Evaluated.

Taxonomic Classification

Rank	koala	Thorny Sea Pen
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Cnidaria (刺胞動物)
Class	Mammalia (哺乳類)	Anthozoa
Order	Diprotodontia (カンガルー目)	Scleralcyonacea (Scleralcyonacea)
Family	Phascolarctidae (Koalas)	Pennatulidae
Genus	Phascolarctos (Koalas)	Pennatula
Species	Phascolarctos cinereus	Pennatula aculeata

Evolutionary Relationship

koala and Thorny Sea Pen share a common ancestor at the Kingdom level: Animalia. (動物)

表示 Kingdom: Animalia

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Thorny Sea Pen

NE — Not Evaluated

Physical Characteristics

Attribute	koala	Thorny Sea Pen
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	75 cm	—
Average Weight	10.0 kg	—

Habitat & Geographic Range

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Thorny Sea Pen

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

koala

オーストラリア東部・南東部を代表する有袋類で、体重は最大15kgに達し、低カロリーのユーカリの葉食から得るエネルギーを節約するために1日最大22時間を睡眠に費やす。他の哺乳類の多くを死に至らしめる有毒なユーカリ成分を処理するために高度に特化しており、解毒に特別に適応した腸内微生物叢を持つ。クラミジア感染症、生息地の伐採、気候変動により個体数が激減し、2022年に絶滅危惧種に指定された。