Biscuit skate vs Leatherback Sea Turtle

Raja straeleni compared with Dermochelys coriacea

Key Differences

• Biscuit skate is Near Threatened while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Biscuit skate	Leatherback 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	Raja	Chelonia (Green Sea Turtles)
Species	Raja straeleni	Dermochelys coriacea

Evolutionary Relationship

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

Conservation Status

Biscuit skate

NT — Near Threatened

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Biscuit skate	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Biscuit skate

Leatherback 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 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Biscuit skate

The Biscuit skate (Raja straeleni) is a species in the genus Raja. It is currently classified as Near Threatened on the IUCN Red List.

Leatherback Sea Turtle

The leatherback is the largest living turtle and the fourth-heaviest reptile. Unlike other turtles, it has a soft, leathery shell.