Chak Ko Shan Crab vs koala

Geothelphusa monticola compared with Phascolarctos cinereus

Key Differences

Chak Ko Shan Crab is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Chak Ko Shan 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 monticola	Phascolarctos cinereus

Evolutionary Relationship

Chak Ko Shan Crab and koala share a common ancestor at the Kingdom level: Animalia. (สัตว์)

ดู: Kingdom: Animalia

Conservation Status

Chak Ko Shan Crab

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Chak Ko Shan Crab	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Chak Ko Shan 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.

Chak Ko Shan Crab

The Chak Ko Shan Crab (Geothelphusa monticola) is a species in the genus Geothelphusa. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

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.