Ascidian vs Green Sea Turtle

Styela clava compared with Chelonia mydas

Key Differences

• Ascidian is Not Evaluated while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Ascidian	Green Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Ascidiacea (Ascidiacea)	Reptilia (Reptiles)
Order	Stolidobranchia (Stolidobranchia)	Testudines (Turtles & Tortoises)
Family	Styelidae	Cheloniidae (Sea Turtles)
Genus	Styela	Chelonia (Green Sea Turtles)
Species	Styela clava	Chelonia mydas

Evolutionary Relationship

Ascidian and Green Sea Turtle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ascidian

NE — Not Evaluated

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Ascidian	Green Sea Turtle
Diet	—	Herbivore
Average Lifespan	—	80 years
Average Length	—	1.2 m
Average Weight	—	200.0 kg

Habitat & Geographic Range

Ascidian

Habitat

Native to Europe and North America and Oceania, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Europe (12 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Brazil).

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.

Ascidian

Ascidian (Styela clava) is a species in the genus Styela. Native to Europe and North America and Oceania, inhabiting ecosystems characteristic of the region.

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 3 countries:

🇦🇺 Australia 🇧🇷 Brazil 🇲🇽 Mexico