Green Sea Turtle vs Hen Pen

Chelonia mydas compared with Bryopsis plumosa

Key Differences

• Green Sea Turtle is Endangered while Hen Pen is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Hen Pen
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Chlorophyta (Chlorophyta)
Class	Reptilia (Reptiles)	Ulvophyceae (Ulvophyceae)
Order	Testudines (Turtles & Tortoises)	Bryopsidales (Bryopsidales)
Family	Cheloniidae (Sea Turtles)	Bryopsidaceae
Genus	Chelonia (Green Sea Turtles)	Bryopsis
Species	Chelonia mydas	Bryopsis plumosa

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Hen Pen

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Hen Pen
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.

Hen Pen

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Brazil).

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.

Shared Countries

Both species can be found in 1 countries:

🇧🇷 Brazil