Green Sea Turtle vs Japanese shore crab

Chelonia mydas compared with Hemigrapsus penicillatus

Key Differences

• Green Sea Turtle is Endangered while Japanese shore crab is Not Evaluated.

Taxonomic Classification

Rank	Green Sea Turtle	Japanese shore crab
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Arthropoda (สัตว์ขาปล้อง)
Class	Reptilia (สัตว์เลื้อยคลาน)	Malacostraca (Crustaceans)
Order	Testudines (เต่า)	Decapoda (Decapoda)
Family	Cheloniidae (Sea Turtles)	Varunidae
Genus	Chelonia (Green Sea Turtles)	Hemigrapsus
Species	Chelonia mydas	Hemigrapsus penicillatus

Evolutionary Relationship

Green Sea Turtle and Japanese shore crab share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Japanese shore crab

NE — Not Evaluated

Physical Characteristics

Attribute	Green Sea Turtle	Japanese shore crab
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.

Japanese shore crab

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (United States).

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.