Green Sea Turtle vs Orchid Island Crab

Chelonia mydas compared with Geothelphusa lanyu

Key Differences

Green Sea Turtle is Endangered while Orchid Island Crab is Critically Endangered.

Taxonomic Classification

Rank	Green Sea Turtle	Orchid Island Crab
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (cordados)	Arthropoda (artrópode)
Class	Reptilia (réptil)	Malacostraca (Crustaceans)
Order	Testudines (Tartaruga)	Decapoda (Decapoda)
Family	Cheloniidae (Sea Turtles)	Potamidae
Genus	Chelonia (Green Sea Turtles)	Geothelphusa
Species	Chelonia mydas	Geothelphusa lanyu

Evolutionary Relationship

Green Sea Turtle and Orchid Island Crab share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Orchid Island Crab

CR — Critically Endangered

Physical Characteristics

Attribute	Green Sea Turtle	Orchid Island Crab
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.

Orchid Island Crab

Habitat

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

Range

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