Green Sea Turtle vs Obscure cushion star

Chelonia mydas compared with Pteraster obscurus

Key Differences

• Green Sea Turtle is Endangered while Obscure cushion star is Not Evaluated.

Taxonomic Classification

Rank	Green Sea Turtle	Obscure cushion star
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Echinodermata (棘皮动物门)
Class	Reptilia (爬行纲)	Asteroidea (海星纲)
Order	Testudines (龟鳖目)	Velatida (帆海星目)
Family	Cheloniidae (Sea Turtles)	Pterasteridae
Genus	Chelonia (Green Sea Turtles)	Pteraster
Species	Chelonia mydas	Pteraster obscurus

Evolutionary Relationship

Green Sea Turtle and Obscure cushion star share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Obscure cushion star

NE — Not Evaluated

Physical Characteristics

Attribute	Green Sea Turtle	Obscure cushion star
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.

Obscure cushion star

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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。