Japanischer Rochen vs Koala

Mobula japanica compared with Phascolarctos cinereus

Key Differences

• Japanischer Rochen is Not Evaluated while Koala is Vulnerable.

Taxonomic Classification

Rank	Japanischer Rochen	Koala
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Elasmobranchii	Mammalia (Säugetiere)
Order	Myliobatiformes (Stechrochenartige)	Diprotodontia (Marsupials)
Family	Myliobatidae	Phascolarctidae (Koalas)
Genus	Mobula	Phascolarctos (Koalas)
Species	Mobula japanica	Phascolarctos cinereus

Evolutionary Relationship

Japanischer Rochen and Koala share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Japanischer Rochen

NE — Not Evaluated

Koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Japanischer Rochen	Koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Japanischer Rochen

Habitat

Native to Asia and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Chile and Taiwan.

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.