Green Sea Turtle vs Hakone Sanshouo

Chelonia mydas compared with Onychodactylus japonicus

Key Differences

• Green Sea Turtle is Endangered while Hakone Sanshouo is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Hakone Sanshouo
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Reptilia (爬虫類)	Amphibia (両生類)
Order	Testudines (カメ)	Caudata (有尾目)
Family	Cheloniidae (Sea Turtles)	Hynobiidae
Genus	Chelonia (Green Sea Turtles)	Onychodactylus
Species	Chelonia mydas	Onychodactylus japonicus

Evolutionary Relationship

Green Sea Turtle and Hakone Sanshouo share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Hakone Sanshouo

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Hakone Sanshouo
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.

Hakone Sanshouo

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Green Sea Turtle

アオウミガメは最も大きなウミガメの一つです。甲羅ではなく軟骨と脂肪の緑色に由来して名付けられました。