Clownfish vs koala

Amphiprion ocellaris compared with Phascolarctos cinereus

Key Differences

• Clownfish is Least Concern while koala is Vulnerable.
• Clownfish is omnivore while koala is herbivore.
• koala is 666.7x heavier than Clownfish.
• koala lives longer (15 years vs 10 years).

Taxonomic Classification

Rank	Clownfish	koala
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Actinopterygii (Ray-finned Fish)	Mammalia (mamalia)
Order	Perciformes (Perch-like Fish)	Diprotodontia (Marsupials)
Family	Pomacentridae (Clownfish & Damselfish)	Phascolarctidae (Koalas)
Genus	Amphiprion (Clownfish)	Phascolarctos (Koalas)
Species	Amphiprion ocellaris	Phascolarctos cinereus

Evolutionary Relationship

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

Conservation Status

Clownfish

LC — Least Concern

Trend: Stable →

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Clownfish	koala
Diet	Omnivore	Herbivore
Average Lifespan	10 years	15 years
Average Length	8 cm	75 cm
Average Weight	15 g	10.0 kg

Habitat & Geographic Range

Clownfish

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 5 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Indonesia, Malaysia, and Philippines.

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.

Clownfish

The ocellaris clownfish is famous from the movie Finding Nemo. They live in a symbiotic relationship with sea anemones.

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.

Shared Countries

Both species can be found in 1 countries:

🇦🇺 Australia