Green Silver-Spangled Shark vs koala

Cucullia argentea compared with Phascolarctos cinereus

Key Differences

• Green Silver-Spangled Shark is Critically Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	Green Silver-Spangled Shark	koala
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Arthropoda (членистоногие)	Chordata (хордовые)
Class	Insecta (насекомые)	Mammalia (млекопитающие)
Order	Lepidoptera (чешуекрылые)	Diprotodontia (двурезцовые сумчатые)
Family	Noctuidae	Phascolarctidae (Koalas)
Genus	Cucullia	Phascolarctos (Koalas)
Species	Cucullia argentea	Phascolarctos cinereus

Evolutionary Relationship

Green Silver-Spangled Shark and koala share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

Green Silver-Spangled Shark

CR — Critically Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Green Silver-Spangled Shark	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Green Silver-Spangled Shark

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Sweden, and Ukraine. 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.

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.