Green Sea Turtle vs Ross' cuttle

Chelonia mydas compared with Rossia macrosoma

Key Differences

• Green Sea Turtle is Endangered while Ross' cuttle is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Ross' cuttle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Reptilia (Reptiles)	Cephalopoda (Cephalopods)
Order	Testudines (Turtles & Tortoises)	Sepiida (Sepiida)
Family	Cheloniidae (Sea Turtles)	Sepiolidae
Genus	Chelonia (Green Sea Turtles)	Rossia
Species	Chelonia mydas	Rossia macrosoma

Evolutionary Relationship

Green Sea Turtle and Ross' cuttle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Ross' cuttle

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Ross' cuttle
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.

Ross' cuttle

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across 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.