koala vs thin-necked bladderworm

Phascolarctos cinereus compared with Taenia hydatigena

Key Differences

• koala is Vulnerable while thin-necked bladderworm is Not Evaluated.

Taxonomic Classification

Rank	koala	thin-necked bladderworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Platyhelminthes (Platyhelminthes)
Class	Mammalia (Mammals)	Cestoda (Cestoda)
Order	Diprotodontia (Marsupials)	Cyclophyllidea (Cyclophyllidea)
Family	Phascolarctidae (Koalas)	Taeniidae
Genus	Phascolarctos (Koalas)	Taenia
Species	Phascolarctos cinereus	Taenia hydatigena

Evolutionary Relationship

koala and thin-necked bladderworm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

thin-necked bladderworm

NE — Not Evaluated

Physical Characteristics

Attribute	koala	thin-necked bladderworm
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	75 cm	—
Average Weight	10.0 kg	—

Habitat & Geographic Range

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.

thin-necked bladderworm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden.

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.