Koala vs Pygmy Slipper Lobster

Phascolarctos cinereus compared with Biarctus sordidus

Key Differences

• Koala is Vulnerable while Pygmy Slipper Lobster is Least Concern.

Taxonomic Classification

Rank	Koala	Pygmy Slipper Lobster
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Arthropoda (Gliederfüßer)
Class	Mammalia (Säugetiere)	Malacostraca (Höhere Krebse)
Order	Diprotodontia (Marsupials)	Decapoda (Zehnfußkrebse)
Family	Phascolarctidae (Koalas)	Scyllaridae
Genus	Phascolarctos (Koalas)	Biarctus
Species	Phascolarctos cinereus	Biarctus sordidus

Evolutionary Relationship

Koala and Pygmy Slipper Lobster share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Pygmy Slipper Lobster

LC — Least Concern

Physical Characteristics

Attribute	Koala	Pygmy Slipper Lobster
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.

Pygmy Slipper Lobster

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in 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.