Giffard's Cyanea vs Leatherback Sea Turtle

Cyanea giffardii compared with Dermochelys coriacea

Key Differences

• Giffard's Cyanea is Extinct while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Giffard's Cyanea	Leatherback Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Cnidaria (Cnidarians)	Chordata (Chordates)
Class	Scyphozoa (Scyphozoa)	Reptilia (Reptiles)
Order	Semaeostomeae (Semaeostomeae)	Testudines (Turtles & Tortoises)
Family	Cyaneidae	Cheloniidae (Sea Turtles)
Genus	Cyanea	Chelonia (Green Sea Turtles)
Species	Cyanea giffardii	Dermochelys coriacea

Evolutionary Relationship

Giffard's Cyanea and Leatherback Sea Turtle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Giffard's Cyanea

EX — Extinct

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Giffard's Cyanea	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Giffard's Cyanea

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.

Leatherback Sea Turtle

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