Aquatic oligochaete worm vs koala

Potamothrix bavaricus compared with Phascolarctos cinereus

Key Differences

• Aquatic oligochaete worm is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	Aquatic oligochaete worm	koala
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum	Annelida (환형동물)	Chordata (척삭동물)
Class	Clitellata (환대강)	Mammalia (포유류)
Order	Tubificida (Tubificida)	Diprotodontia (캥거루목)
Family	Naididae	Phascolarctidae (Koalas)
Genus	Potamothrix	Phascolarctos (Koalas)
Species	Potamothrix bavaricus	Phascolarctos cinereus

Evolutionary Relationship

Aquatic oligochaete worm and koala share a common ancestor at the Kingdom level: Animalia. (동물)

Conservation Status

Aquatic oligochaete worm

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Aquatic oligochaete worm

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

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.

Aquatic oligochaete worm

The Aquatic oligochaete worm (Potamothrix bavaricus) is a species in the genus Potamothrix. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

koala

호주 동부와 동남부의 상징적인 유대류로, 체중이 최대 15kg이며 저칼로리인 유칼립투스 잎 식단에서 에너지를 절약하기 위해 하루 최대 22시간을 잠으로 보낸다. 대부분의 다른 포유류를 죽일 수 있는 유독한 유칼립투스 성분을 처리하도록 고도로 특화되어, 해독에 특별히 적응된 장내 미생물총을 지닌다. 2022년 기후 변화, 서식지 개발, 클라미디아 감염으로 인한 개체수 감소로 위기종으로 지정되었다.