Atlantic pearl-oyster vs koala

Pinctada imbricata compared with Phascolarctos cinereus

Key Differences

• Atlantic pearl-oyster is Near Threatened while koala is Vulnerable.

Taxonomic Classification

Rank	Atlantic pearl-oyster	koala
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum	Mollusca (연체동물)	Chordata (척삭동물)
Class	Gastropoda (복족강)	Mammalia (포유류)
Order	Trochida (Trochida)	Diprotodontia (캥거루목)
Family	Margaritidae	Phascolarctidae (Koalas)
Genus	Pinctada	Phascolarctos (Koalas)
Species	Pinctada imbricata	Phascolarctos cinereus

Evolutionary Relationship

Atlantic pearl-oyster and koala share a common ancestor at the Kingdom level: Animalia. (동물)

Conservation Status

Atlantic pearl-oyster

NT — Near Threatened

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Atlantic pearl-oyster	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Atlantic pearl-oyster

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Norway and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Atlantic pearl-oyster

The Atlantic pearl-oyster (Pinctada imbricata) is a species in the genus Pinctada. It is currently classified as Near Threatened on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.