koala vs Whiteface Hagfish

Phascolarctos cinereus compared with Myxine circifrons

Key Differences

• koala is Vulnerable while Whiteface Hagfish is Least Concern.

Taxonomic Classification

Rank	koala	Whiteface Hagfish
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class	Mammalia (memeliler)	Myxini (Myxini)
Order	Diprotodontia (İki ön dişliler)	Myxiniformes (Myxiniformes)
Family	Phascolarctidae (Koalas)	Myxinidae
Genus	Phascolarctos (Koalas)	Myxine
Species	Phascolarctos cinereus	Myxine circifrons

Evolutionary Relationship

koala and Whiteface Hagfish share a common ancestor at the Phylum level: Chordata. (Kordalılar)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Whiteface Hagfish

LC — Least Concern

Physical Characteristics

Attribute	koala	Whiteface Hagfish
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.

Whiteface Hagfish

Habitat

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

Range

Found in Chile.

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.