Green Sea Turtle vs Smooth Stonewort

Chelonia mydas compared with Nitella flexilis

Key Differences

• Green Sea Turtle is Endangered while Smooth Stonewort is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Smooth Stonewort
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Charophyta (轮藻门)
Class	Reptilia (爬行纲)	Charophyceae (輪藻綱)
Order	Testudines (龟鳖目)	Charales (轮藻目)
Family	Cheloniidae (Sea Turtles)	Characeae
Genus	Chelonia (Green Sea Turtles)	Nitella
Species	Chelonia mydas	Nitella flexilis

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Smooth Stonewort

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Smooth Stonewort
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.

Smooth Stonewort

Habitat

Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Denmark, Norway, Sweden, and United States.

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。

Shared Countries

Both species can be found in 1 countries:

🇧🇷 Brazil