Black roughscale catshark vs koala

Apristurus melanoasper compared with Phascolarctos cinereus

Key Differences

• Black roughscale catshark is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Black roughscale catshark	koala
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Chondrichthyes (軟骨魚綱)	Mammalia (哺乳類)
Order	Carcharhiniformes (メジロザメ目)	Diprotodontia (カンガルー目)
Family	Scyliorhinidae	Phascolarctidae (Koalas)
Genus	Apristurus	Phascolarctos (Koalas)
Species	Apristurus melanoasper	Phascolarctos cinereus

Evolutionary Relationship

Black roughscale catshark and koala share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Black roughscale catshark

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Black roughscale catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.

Black roughscale catshark

The Black roughscale catshark (Apristurus melanoasper) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

koala

オーストラリア東部・南東部を代表する有袋類で、体重は最大15kgに達し、低カロリーのユーカリの葉食から得るエネルギーを節約するために1日最大22時間を睡眠に費やす。他の哺乳類の多くを死に至らしめる有毒なユーカリ成分を処理するために高度に特化しており、解毒に特別に適応した腸内微生物叢を持つ。クラミジア感染症、生息地の伐採、気候変動により個体数が激減し、2022年に絶滅危惧種に指定された。