Haysan vs koala

Chiloscyllium griseum compared with Phascolarctos cinereus

Taxonomic Classification

Rank	Haysan	koala
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Elasmobranchii	Mammalia (ثدييات)
Order	Orectolobiformes (القرش السجادي)	Diprotodontia (ثنائيات الأسنان الأمامية)
Family	Hemiscylliidae	Phascolarctidae (Koalas)
Genus	Chiloscyllium	Phascolarctos (Koalas)
Species	Chiloscyllium griseum	Phascolarctos cinereus

Evolutionary Relationship

Haysan and koala share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

Haysan

VU — Vulnerable

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Haysan	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Haysan

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.

Haysan

The Banded dogfish (Chiloscyllium griseum) is a species in the genus Chiloscyllium. It is currently classified as Vulnerable on the IUCN Red List.

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.