vs koala

Achroonema angustum compared with Phascolarctos cinereus

Key Differences

• is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank		koala
Kingdom	Bacteria (Bacteria)	Animalia (动物界)
Phylum	Bacteroidota (拟杆菌门)	Chordata (脊索动物门)
Class	Bacteroidia (擬桿菌綱)	Mammalia (哺乳動物)
Order	Sphingobacteriales (鞘氨醇杆菌目)	Diprotodontia (雙門齒目)
Family	Pelonemataceae	Phascolarctidae (Koalas)
Genus	Achroonema	Phascolarctos (Koalas)
Species	Achroonema angustum	Phascolarctos cinereus

Conservation Status

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Sweden.

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.

窄无色丝菌（Achroonema angustum）是一种无色丝状细菌，生活在淡水沉积物环境中，属于分解有机物的微生物群落成员。该物种缺乏光合色素，通过氧化有机物获取能量，在淡水底泥的物质循环中发挥作用。目前对其生态学特性的研究仍相对有限。

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。