Atlantic Surf Clam vs koala

Spisula solidissima compared with Phascolarctos cinereus

Key Differences

• Atlantic Surf Clam is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	Atlantic Surf Clam	koala
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Mollusca (มอลลัสกา)	Chordata (สัตว์มีแกนสันหลัง)
Class	Bivalvia (ชั้นไบวาลเวีย)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Venerida (Venerida)	Diprotodontia (Marsupials)
Family	Mactridae	Phascolarctidae (Koalas)
Genus	Spisula	Phascolarctos (Koalas)
Species	Spisula solidissima	Phascolarctos cinereus

Evolutionary Relationship

Atlantic Surf Clam and koala share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

Atlantic Surf Clam

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Atlantic Surf Clam

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries).

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 Surf Clam

The Atlantic Surf Clam (Spisula solidissima) is a species in the genus Spisula. Native to Asia and 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.