Green Sea Turtle vs smooth giant clam

Chelonia mydas compared with Tridacna derasa

Key Differences

• Green Sea Turtle is Endangered while smooth giant clam is Vulnerable.

Taxonomic Classification

Rank	Green Sea Turtle	smooth giant clam
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Mollusca (软体动物门)
Class	Reptilia (爬行纲)	Bivalvia (双壳纲)
Order	Testudines (龟鳖目)	Cardiida (鸟蛤目)
Family	Cheloniidae (Sea Turtles)	Cardiidae
Genus	Chelonia (Green Sea Turtles)	Tridacna
Species	Chelonia mydas	Tridacna derasa

Evolutionary Relationship

Green Sea Turtle and smooth giant clam share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

smooth giant clam

VU — Vulnerable

Physical Characteristics

Attribute	Green Sea Turtle	smooth giant clam
Diet	Herbivore	—
Average Lifespan	80 years	—
Average Length	1.2 m	—
Average Weight	200.0 kg	—

Habitat & Geographic Range

Green Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Brazil, Costa Rica, Indonesia, and Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

smooth giant clam

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Marshall Islands and Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Green Sea Turtle

绿海龟是最大的海龟之一。其名称源于软骨和脂肪的绿色，而非龟壳的颜色。