Green Sea Turtle vs Neptune Lobster

Chelonia mydas compared with Metanephrops neptunus

Key Differences

• Green Sea Turtle is Endangered while Neptune Lobster is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Neptune Lobster
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Reptilia (Reptiles)	Malacostraca (Crustaceans)
Order	Testudines (Turtles & Tortoises)	Decapoda (Decapoda)
Family	Cheloniidae (Sea Turtles)	Nephropidae
Genus	Chelonia (Green Sea Turtles)	Metanephrops
Species	Chelonia mydas	Metanephrops neptunus

Evolutionary Relationship

Green Sea Turtle and Neptune Lobster share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Neptune Lobster

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Neptune Lobster
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.

Neptune Lobster

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in Taiwan.

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.