koala vs

Phascolarctos cinereus compared with Methanococcus aeolicus

Key Differences

• koala is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	koala
Kingdom	Animalia (动物界)	Archaea (Archaea)
Phylum	Chordata (脊索动物门)	Methanobacteriota_A
Class	Mammalia (哺乳動物)	Methanococci (甲烷球菌纲)
Order	Diprotodontia (雙門齒目)	Methanococcales (甲烷球菌目)
Family	Phascolarctidae (Koalas)	Methanococcaceae
Genus	Phascolarctos (Koalas)	Methanococcus
Species	Phascolarctos cinereus	Methanococcus aeolicus

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

NE — Not Evaluated

Physical Characteristics

Attribute	koala
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.

koala

澳大利亚东部和东南部的标志性有袋类动物，体重最大可达15千克，为了节省低热量桉树叶食物所提供的能量，每天最多睡眠22小时。高度特化，能够处理会致大多数其他哺乳动物死亡的有毒桉树成分，拥有专门适应解毒功能的肠道微生物群。因衣原体病、栖息地开发和气候变化导致种群锐减，2022年被列为濒危物种。

Methanococcus aeolicus 是甲烷球菌目中的产甲烷古菌，通过以氢气还原二氧化碳来产生甲烷。栖息于海洋沉积物和热液环境，参与厌氧碳循环。与同属其他成员一样，为严格厌氧菌，属中温至轻度嗜热型。