common hydra vs koala

Hydra vulgaris compared with Phascolarctos cinereus

Key Differences

common hydra is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	common hydra	koala
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum	Cnidaria (자포동물)	Chordata (척삭동물)
Class	Hydrozoa (히드라충강)	Mammalia (포유류)
Order	Anthoathecata (Anthoathecata)	Diprotodontia (캥거루목)
Family	Hydridae	Phascolarctidae (Koalas)
Genus	Hydra	Phascolarctos (Koalas)
Species	Hydra vulgaris	Phascolarctos cinereus

Evolutionary Relationship

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

보기 Kingdom: Animalia

Conservation Status

common hydra

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

common hydra

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and 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.

common hydra

<em>Hydra vulgaris</em>, commonly known as the common hydra, is a small freshwater cnidarian in the family Hydridae. Its conservation status has not been formally evaluated by the IUCN. The species is recorded from Denmark, Norway, and Sweden, with its native range understood to encompass Europe broadly. It typically inhabits slow-moving or still freshwater bodies such as ponds, lakes, and streams, where it attaches to aquatic vegetation or submerged substrates. The common hydra is notable for its remarkable regenerative capabilities and has been the subject of substantial biological research. Diet information for this species is not available in current records. Biological traits of this species remain poorly documented in the scientific literature.

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.