koala vs Leopard-spotted swellshark

Phascolarctos cinereus compared with Cephaloscyllium fasciatum

Key Differences

• koala is Vulnerable while Leopard-spotted swellshark is Critically Endangered.

Taxonomic Classification

Rank	koala	Leopard-spotted swellshark
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class	Mammalia (स्तनधारी)	Chondrichthyes (कॉन्ड्रीइक्थीज़)
Order	Diprotodontia (डाएप्रोटोडोंटिया)	Carcharhiniformes (Ground Sharks)
Family	Phascolarctidae (Koalas)	Scyliorhinidae
Genus	Phascolarctos (Koalas)	Cephaloscyllium
Species	Phascolarctos cinereus	Cephaloscyllium fasciatum

Evolutionary Relationship

koala and Leopard-spotted swellshark share a common ancestor at the Phylum level: Chordata. (रज्जुकी)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Leopard-spotted swellshark

CR — Critically Endangered

Physical Characteristics

Attribute	koala	Leopard-spotted swellshark
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.

Leopard-spotted swellshark

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Found in Taiwan. Currently classified as Critically 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.