Green Sea Turtle vs Smalleyed round stingray

Chelonia mydas compared with Urotrygon microphthalmum

Key Differences

• Green Sea Turtle is Endangered while Smalleyed round stingray is Critically Endangered.

Taxonomic Classification

Rank	Green Sea Turtle	Smalleyed round stingray
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Reptilia (爬行纲)	Elasmobranchii
Order	Testudines (龟鳖目)	Myliobatiformes (鱝目)
Family	Cheloniidae (Sea Turtles)	Urotrygonidae
Genus	Chelonia (Green Sea Turtles)	Urotrygon
Species	Chelonia mydas	Urotrygon microphthalmum

Evolutionary Relationship

Green Sea Turtle and Smalleyed round stingray share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Smalleyed round stingray

CR — Critically Endangered

Physical Characteristics

Attribute	Green Sea Turtle	Smalleyed round stingray
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.

Smalleyed round stingray

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。