Honolulu Cyanea vs Leatherback Sea Turtle

Cyanea acuminata compared with Dermochelys coriacea

Key Differences

• Honolulu Cyanea is Critically Endangered while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Honolulu 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 acuminata	Dermochelys coriacea

Evolutionary Relationship

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

Conservation Status

Honolulu Cyanea

CR — Critically Endangered

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Honolulu 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.