Green Sea Turtle vs Spinner Dolphin

Chelonia mydas compared with Stenella longirostris

Key Differences

• Green Sea Turtle is Endangered while Spinner Dolphin is Data Deficient.

Taxonomic Classification

Rank	Green Sea Turtle	Spinner Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Reptilia (Reptiles)	Mammalia (Mammals)
Order	Testudines (Turtles & Tortoises)	Cetacea (Whales & Dolphins)
Family	Cheloniidae (Sea Turtles)	Delphinidae (Oceanic Dolphins)
Genus	Chelonia (Green Sea Turtles)	Stenella
Species	Chelonia mydas	Stenella longirostris

Evolutionary Relationship

Green Sea Turtle and Spinner Dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Spinner Dolphin

DD — Data Deficient

Physical Characteristics

Attribute	Green Sea Turtle	Spinner Dolphin
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.

Spinner Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Norway, Taiwan, and Venezuela.

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.