Javanese root-knot nematode vs koala

Meloidogyne javanica compared with Phascolarctos cinereus

Key Differences

• Javanese root-knot nematode is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	Javanese root-knot nematode	koala
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum	Nematoda (Roundworms)	Chordata (Chordates)
Class	Chromadorea (Chromadorea)	Mammalia (mamalia)
Order	Rhabditida (Rhabditida)	Diprotodontia (Marsupials)
Family	Meloidogynidae	Phascolarctidae (Koalas)
Genus	Meloidogyne	Phascolarctos (Koalas)
Species	Meloidogyne javanica	Phascolarctos cinereus

Evolutionary Relationship

Javanese root-knot nematode and koala share a common ancestor at the Kingdom level: Animalia. (hewan)

Conservation Status

Javanese root-knot nematode

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Javanese root-knot nematode	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Javanese root-knot nematode

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Greece, Malta, Poland, and Portugal.

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.

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.