Green Sea Turtle vs Tube-building worm

Chelonia mydas compared with Hydroides elegans

Key Differences

• Green Sea Turtle is Endangered while Tube-building worm is Not Evaluated.

Taxonomic Classification

Rank	Green Sea Turtle	Tube-building worm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Annelida (Segmented Worms)
Class	Reptilia (Reptiles)	Polychaeta (Polychaeta)
Order	Testudines (Turtles & Tortoises)	Sabellida (Sabellida)
Family	Cheloniidae (Sea Turtles)	Serpulidae
Genus	Chelonia (Green Sea Turtles)	Hydroides
Species	Chelonia mydas	Hydroides elegans

Evolutionary Relationship

Green Sea Turtle and Tube-building worm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Tube-building worm

NE — Not Evaluated

Physical Characteristics

Attribute	Green Sea Turtle	Tube-building worm
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.

Tube-building worm

Habitat

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

Range

Widely distributed across Africa (4 countries), Asia (7 countries), Europe (12 countries), North America (Mexico, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, 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 3 countries:

🇦🇺 Australia 🇧🇷 Brazil 🇲🇽 Mexico