Common Blue vs Green Sea Turtle

Polyommatus icarus compared with Chelonia mydas

Key Differences

Common Blue is Least Concern while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Common Blue	Green Sea Turtle
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum	Arthropoda (Artropoda)	Chordata (Chordates)
Class	Insecta (serangga)	Reptilia (Reptil)
Order	Lepidoptera (Butterflies & Moths)	Testudines (Kura-kura)
Family	Lycaenidae	Cheloniidae (Sea Turtles)
Genus	Polyommatus	Chelonia (Green Sea Turtles)
Species	Polyommatus icarus	Chelonia mydas

Evolutionary Relationship

Common Blue and Green Sea Turtle share a common ancestor at the Kingdom level: Animalia. (hewan)

Lihat Kingdom: Animalia

Conservation Status

Common Blue

LC — Least Concern

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Common Blue

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (Cyprus), Europe (40 countries), and North America (United States).

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.

Common Blue

Common Blue (Polyommatus icarus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.