Green Sea Turtle vs Swell shark

Chelonia mydas compared with Cephaloscyllium ventriosum

Key Differences

• Green Sea Turtle is Endangered while Swell shark is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Swell shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Reptilia (Reptiles)	Chondrichthyes (Cartilaginous Fish)
Order	Testudines (Turtles & Tortoises)	Carcharhiniformes (Ground Sharks)
Family	Cheloniidae (Sea Turtles)	Scyliorhinidae
Genus	Chelonia (Green Sea Turtles)	Cephaloscyllium
Species	Chelonia mydas	Cephaloscyllium ventriosum

Evolutionary Relationship

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

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Swell shark

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Swell shark
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.

Swell shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Chile.

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.