koala vs Sargassum Seaweed

Phascolarctos cinereus compared with Sargassum fluitans

Key Differences

• koala is Vulnerable while Sargassum Seaweed is Not Evaluated.

Taxonomic Classification

Rank	koala	Sargassum Seaweed
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)	Phaeophyceae (褐藻)
Order	Diprotodontia (カンガルー目)	Fucales (Fucales)
Family	Phascolarctidae (Koalas)	Sargassaceae
Genus	Phascolarctos (Koalas)	Sargassum
Species	Phascolarctos cinereus	Sargassum fluitans

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Sargassum Seaweed

NE — Not Evaluated

Physical Characteristics

Attribute	koala	Sargassum Seaweed
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.

Sargassum Seaweed

Habitat

Native to Africa and Asia and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (Sao Tome and Principe), Asia (Iran), and North America (4 countries).

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。