Green Sea Turtle vs Hard Alectryon

Chelonia mydas compared with Alectryon subdentatus

Key Differences

• Green Sea Turtle is Endangered while Hard Alectryon is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Hard Alectryon
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Reptilia (Reptiles)	Magnoliopsida (Dicots)
Order	Testudines (Turtles & Tortoises)	Sapindales (Sapindales)
Family	Cheloniidae (Sea Turtles)	Sapindaceae
Genus	Chelonia (Green Sea Turtles)	Alectryon
Species	Chelonia mydas	Alectryon subdentatus

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Hard Alectryon

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Hard Alectryon
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.

Hard Alectryon

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.