Green Sea Turtle vs Smooth Newt

Chelonia mydas compared with Lissotriton vulgaris

Key Differences

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

Taxonomic Classification

Rank	Green Sea Turtle	Smooth Newt
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Reptilia (สัตว์เลื้อยคลาน)	Amphibia (สัตว์สะเทินน้ำสะเทินบก)
Order	Testudines (เต่า)	Caudata (ซาลาแมนเดอร์)
Family	Cheloniidae (Sea Turtles)	Salamandridae
Genus	Chelonia (Green Sea Turtles)	Lissotriton
Species	Chelonia mydas	Lissotriton vulgaris

Evolutionary Relationship

Green Sea Turtle and Smooth Newt share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Smooth Newt

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Smooth Newt
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 Newt

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.