koala vs Taiwan spurdog

Phascolarctos cinereus compared with Squalus formosus

Key Differences

• koala is Vulnerable while Taiwan spurdog is Endangered.

Taxonomic Classification

Rank	koala	Taiwan spurdog
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class	Mammalia (स्तनधारी)	Elasmobranchii
Order	Diprotodontia (डाएप्रोटोडोंटिया)	Squaliformes (Squaliformes)
Family	Phascolarctidae (Koalas)	Squalidae
Genus	Phascolarctos (Koalas)	Squalus
Species	Phascolarctos cinereus	Squalus formosus

Evolutionary Relationship

koala and Taiwan spurdog share a common ancestor at the Phylum level: Chordata. (रज्जुकी)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Taiwan spurdog

EN — Endangered

Physical Characteristics

Attribute	koala	Taiwan spurdog
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	75 cm	—
Average Weight	10.0 kg	—

Habitat & Geographic Range

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.

Taiwan spurdog

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

koala

Iconic marsupial of eastern and southeastern Australia, koalas weigh up to 15 kg and spend up to 22 hours daily sleeping to conserve energy from their low-calorie eucalyptus leaf diet. Highly specialized to process toxic eucalyptus compounds that would kill most other mammals, they have gut microbiomes uniquely adapted for detoxification. Listed as Endangered in 2022, with populations decimated by chlamydia disease, habitat clearing, and climate change.