Green Sea Turtle vs soft shield-fern

Chelonia mydas compared with Polystichum setiferum

Key Differences

Green Sea Turtle is Endangered while soft shield-fern is Near Threatened.

Taxonomic Classification

Rank	Green Sea Turtle	soft shield-fern
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Tracheophyta
Class	Reptilia (爬行纲)	Polypodiopsida (水龍骨綱)
Order	Testudines (龟鳖目)	Polypodiales (水龙骨目)
Family	Cheloniidae (Sea Turtles)	Dryopteridaceae
Genus	Chelonia (Green Sea Turtles)	Polystichum
Species	Chelonia mydas	Polystichum setiferum

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

soft shield-fern

NT — Near Threatened

Physical Characteristics

Attribute	Green Sea Turtle	soft shield-fern
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.

soft shield-fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.