Cuckoo ray vs Green Sea Turtle

Leucoraja circularis compared with Chelonia mydas

Key Differences

• Cuckoo ray is Not Evaluated while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Cuckoo ray	Green Sea Turtle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Elasmobranchii	Reptilia (爬虫類)
Order	Rajiformes (ガンギエイ目)	Testudines (カメ)
Family	Rajidae	Cheloniidae (Sea Turtles)
Genus	Leucoraja	Chelonia (Green Sea Turtles)
Species	Leucoraja circularis	Chelonia mydas

Evolutionary Relationship

Cuckoo ray and Green Sea Turtle share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Cuckoo ray

NE — Not Evaluated

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Cuckoo ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

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.

Green Sea Turtle

アオウミガメは最も大きなウミガメの一つです。甲羅ではなく軟骨と脂肪の緑色に由来して名付けられました。