Blind shark vs koala

Hemiscyllium ocellatum compared with Phascolarctos cinereus

Key Differences

• Blind shark is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Blind shark	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Orectolobiformes (Orectolobiformes)	Diprotodontia (Marsupials)
Family	Hemiscylliidae	Phascolarctidae (Koalas)
Genus	Hemiscyllium	Phascolarctos (Koalas)
Species	Hemiscyllium ocellatum	Phascolarctos cinereus

Evolutionary Relationship

Blind shark and koala share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blind shark

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Blind shark

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.

Blind shark

The Blind shark (Hemiscyllium ocellatum) is a species in the genus Hemiscyllium. It is currently classified as Least Concern 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.