Gray-taek Crab vs koala

Geothelphusa cinerea compared with Phascolarctos cinereus

Key Differences

• Gray-taek Crab is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Gray-taek Crab	koala
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Arthropoda (สัตว์ขาปล้อง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Malacostraca (Crustaceans)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Decapoda (Decapoda)	Diprotodontia (Marsupials)
Family	Potamidae	Phascolarctidae (Koalas)
Genus	Geothelphusa	Phascolarctos (Koalas)
Species	Geothelphusa cinerea	Phascolarctos cinereus

Evolutionary Relationship

Gray-taek Crab and koala share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

Gray-taek Crab

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Gray-taek Crab	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Gray-taek Crab

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in Taiwan.

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.

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.