koala vs

Phascolarctos cinereus compared with Thiothrix annulata

Key Differences

• koala is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	koala
Kingdom	Animalia (动物界)	Bacteria (Bacteria)
Phylum	Chordata (脊索动物门)	Proteobacteria (變形菌門)
Class	Mammalia (哺乳動物)	Gammaproteobacteria (γ-变形菌纲)
Order	Diprotodontia (雙門齒目)	Thiotrichales (硫髮菌目)
Family	Phascolarctidae (Koalas)	Thiotrichaceae
Genus	Phascolarctos (Koalas)	Thiothrix
Species	Phascolarctos cinereus	Thiothrix annulata

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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Sweden.

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。

Thiothrix annulata是Thiotrichaceae科的丝状硫氧化γ-变形菌，在富含硫化物的水生环境中形成附着于基质的有鞘丝状体。以氧化还原硫化物为能量来源，在细胞内储存元素硫颗粒，使菌落呈白色外观。栖息于硫磺泉、污水系统和高硫化物水平的淡水河流中。