Green Sea Turtle vs Shadowy Oysterling

Chelonia mydas compared with Hohenbuehelia grisea

Key Differences

• Green Sea Turtle is Endangered while Shadowy Oysterling is Least Concern.

Taxonomic Classification

Rank	Green Sea Turtle	Shadowy Oysterling
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Reptilia (Reptiles)	Agaricomycetes (Mushrooms)
Order	Testudines (Turtles & Tortoises)	Agaricales (Gilled Mushrooms)
Family	Cheloniidae (Sea Turtles)	Pleurotaceae
Genus	Chelonia (Green Sea Turtles)	Hohenbuehelia
Species	Chelonia mydas	Hohenbuehelia grisea

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Shadowy Oysterling

LC — Least Concern

Physical Characteristics

Attribute	Green Sea Turtle	Shadowy Oysterling
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.

Shadowy Oysterling

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Norway, Sweden, and 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.