Atlantic Rock Crab vs koala

Cancer irroratus compared with Phascolarctos cinereus

Key Differences

• Atlantic Rock Crab is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	Atlantic Rock Crab	koala
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Arthropoda (членистоногие)	Chordata (хордовые)
Class	Malacostraca (высшие раки)	Mammalia (млекопитающие)
Order	Decapoda (десятиногие ракообразные)	Diprotodontia (двурезцовые сумчатые)
Family	Cancridae	Phascolarctidae (Koalas)
Genus	Cancer	Phascolarctos (Koalas)
Species	Cancer irroratus	Phascolarctos cinereus

Evolutionary Relationship

Atlantic Rock Crab and koala share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

Atlantic Rock Crab

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Atlantic Rock Crab

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across Iceland, Norway, and Sweden.

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 Rock Crab

The Atlantic Rock Crab (Cancer irroratus) is a species in the genus Cancer. Typically found in marine, freshwater, and terrestrial environments.

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.