Atlantic armhook squid vs koala

Gonatus steenstrupi compared with Phascolarctos cinereus

Key Differences

• Atlantic armhook squid is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Atlantic armhook squid	koala
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Mollusca (mollusques)	Chordata (Chordates)
Class	Cephalopoda (Cephalopods)	Mammalia (mammifères)
Order	Oegopsida (Oegopsida)	Diprotodontia (Marsupials)
Family	Gonatidae	Phascolarctidae (Koalas)
Genus	Gonatus	Phascolarctos (Koalas)
Species	Gonatus steenstrupi	Phascolarctos cinereus

Evolutionary Relationship

Atlantic armhook squid and koala share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Atlantic armhook squid

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Atlantic armhook squid	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Atlantic armhook squid

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Norway.

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.

Atlantic armhook squid

The Atlantic armhook squid (Gonatus steenstrupi) is a species in the genus Gonatus. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

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.