koala vs Pastenague longnez

Phascolarctos cinereus compared with Hypanus guttatus

Key Differences

• koala is Vulnerable while Pastenague longnez is Near Threatened.

Taxonomic Classification

Rank	koala	Pastenague longnez
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Elasmobranchii
Order	Diprotodontia (Marsupials)	Myliobatiformes (Myliobatiformes)
Family	Phascolarctidae (Koalas)	Dasyatidae
Genus	Phascolarctos (Koalas)	Hypanus
Species	Phascolarctos cinereus	Hypanus guttatus

Evolutionary Relationship

koala and Pastenague longnez share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Pastenague longnez

NT — Near Threatened

Physical Characteristics

Attribute	koala	Pastenague longnez
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.

Pastenague longnez

Habitat

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

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.