koala vs Orchid Island Crab

Phascolarctos cinereus compared with Geothelphusa lanyu

Key Differences

• koala is Vulnerable while Orchid Island Crab is Critically Endangered.

Taxonomic Classification

Rank	koala	Orchid Island Crab
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum	Chordata (रज्जुकी)	Arthropoda (सन्धिपाद)
Class	Mammalia (स्तनधारी)	Malacostraca (Crustaceans)
Order	Diprotodontia (डाएप्रोटोडोंटिया)	Decapoda (Decapoda)
Family	Phascolarctidae (Koalas)	Potamidae
Genus	Phascolarctos (Koalas)	Geothelphusa
Species	Phascolarctos cinereus	Geothelphusa lanyu

Evolutionary Relationship

koala and Orchid Island Crab share a common ancestor at the Kingdom level: Animalia. (प्राणी)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Orchid Island Crab

CR — Critically Endangered

Physical Characteristics

Attribute	koala	Orchid Island Crab
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.

Orchid Island Crab

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.