giant clam vs Green Sea Turtle

Tridacna gigas compared with Chelonia mydas

Key Differences

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

Taxonomic Classification

Rank	giant clam	Green Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Reptilia (Reptiles)
Order	Cardiida (Cardiida)	Testudines (Turtles & Tortoises)
Family	Cardiidae	Cheloniidae (Sea Turtles)
Genus	Tridacna	Chelonia (Green Sea Turtles)
Species	Tridacna gigas	Chelonia mydas

Evolutionary Relationship

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

Conservation Status

giant clam

VU — Vulnerable

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

giant clam

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Green Sea Turtle

The green sea turtle is one of the largest sea turtles. They are named for the green color of their cartilage and fat, not their shells.