Bigmouth skate vs Green Sea Turtle

Amblyraja robertsi compared with Chelonia mydas

Key Differences

• Bigmouth skate is Least Concern while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Bigmouth skate	Green Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Reptilia (Reptiles)
Order	Rajiformes (Rajiformes)	Testudines (Turtles & Tortoises)
Family	Rajidae	Cheloniidae (Sea Turtles)
Genus	Amblyraja	Chelonia (Green Sea Turtles)
Species	Amblyraja robertsi	Chelonia mydas

Evolutionary Relationship

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

Conservation Status

Bigmouth skate

LC — Least Concern

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Bigmouth skate

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.

Bigmouth skate

The Bigmouth skate (Amblyraja robertsi) is a species in the genus Amblyraja. It is currently classified as Least Concern on the IUCN Red List.

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.