Australian thornback skate vs koala

Dentiraja lemprieri compared with Phascolarctos cinereus

Key Differences

Australian thornback skate is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Australian thornback skate	koala
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Elasmobranchii	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Rajiformes (อันดับปลาโรนัน)	Diprotodontia (Marsupials)
Family	Rajidae	Phascolarctidae (Koalas)
Genus	Dentiraja	Phascolarctos (Koalas)
Species	Dentiraja lemprieri	Phascolarctos cinereus

Evolutionary Relationship

Australian thornback skate and koala share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

ดู: Phylum: Chordata

Conservation Status

Australian thornback skate

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Australian thornback skate	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Australian thornback skate

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.

Australian thornback skate

The Australian thornback skate (Dentiraja lemprieri) is a species in the genus Dentiraja. It is currently classified as Least Concern on the IUCN Red List. Dentiraja lemprieri contributes to the biodiversity of its native ecosystems.

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.