koala vs Short-tail lantern shark

Phascolarctos cinereus compared with Etmopterus brachyurus

Key Differences

• koala is Vulnerable while Short-tail lantern shark is Data Deficient.

Taxonomic Classification

Rank	koala	Short-tail lantern shark
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class	Mammalia (memeliler)	Elasmobranchii
Order	Diprotodontia (İki ön dişliler)	Squaliformes (Squaliformes)
Family	Phascolarctidae (Koalas)	Etmopteridae
Genus	Phascolarctos (Koalas)	Etmopterus
Species	Phascolarctos cinereus	Etmopterus brachyurus

Evolutionary Relationship

koala and Short-tail lantern shark share a common ancestor at the Phylum level: Chordata. (Kordalılar)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Short-tail lantern shark

DD — Data Deficient

Physical Characteristics

Attribute	koala	Short-tail lantern shark
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.

Short-tail lantern shark

Habitat

Native to Asia and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Chile and Taiwan.

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.