vs koala

Cylindrotheca closterium compared with Phascolarctos cinereus

Key Differences

• is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank		koala
Kingdom	Chromista (色藻界)	Animalia (动物界)
Phylum	Ochrophyta (淡色藻门)	Chordata (脊索动物门)
Class	Bacillariophyceae (硅藻纲)	Mammalia (哺乳動物)
Order	Bacillariales (硅藻目)	Diprotodontia (雙門齒目)
Family	Bacillariaceae	Phascolarctidae (Koalas)
Genus	Cylindrotheca	Phascolarctos (Koalas)
Species	Cylindrotheca closterium	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 Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, Oman, Sweden, and Taiwan.

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.

Cylindrotheca closterium是一种细长针状的海洋和半咸水硅藻，广泛分布于全球沿岸沉积物、潮间带泥滩和底栖生物膜中。其纺锤形硅质壳两端逐渐变细为细尖。该种是河口和浅海沿岸生态系统的重要初级生产者，可在沉积物表面形成致密藻垫。

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。