Brittle Naiad vs koala

Najas minor compared with Phascolarctos cinereus

Key Differences

Brittle Naiad is Critically Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	Brittle Naiad	koala
Kingdom	Plantae (bitki)	Animalia (hayvan)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Kordalılar)
Class	Liliopsida (Monocots)	Mammalia (memeliler)
Order	Alismatales (Alismatales)	Diprotodontia (İki ön dişliler)
Family	Hydrocharitaceae	Phascolarctidae (Koalas)
Genus	Najas	Phascolarctos (Koalas)
Species	Najas minor	Phascolarctos cinereus

Conservation Status

Brittle Naiad

CR — Critically Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Brittle Naiad

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical coniferous forests, and temperate broadleaf and mixed forests, among 9 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Pakistan, Taiwan), Europe (4 countries), and North America (Canada, United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Brittle Naiad

The Brittle Naiad (Najas minor) is a species in the genus Najas. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical coniferous forests, and temperate broadleaf and mixed forests, among 9 distinct biome types spanning the Indomalayan an

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.