Black-spotted Newt vs koala

Notophthalmus meridionalis compared with Phascolarctos cinereus

Key Differences

• Black-spotted Newt is Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	Black-spotted Newt	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Diprotodontia (Marsupials)
Family	Salamandridae	Phascolarctidae (Koalas)
Genus	Notophthalmus	Phascolarctos (Koalas)
Species	Notophthalmus meridionalis	Phascolarctos cinereus

Evolutionary Relationship

Black-spotted Newt and koala share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-spotted Newt

EN — Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Black-spotted Newt	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Black-spotted Newt

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as 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.

Black-spotted Newt

The Black-spotted Newt (Notophthalmus meridionalis) is a species in the genus Notophthalmus. It is currently classified as Endangered on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

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.