Broadgill Catshark vs Leatherback Sea Turtle

Apristurus riveri compared with Dermochelys coriacea

Key Differences

• Broadgill Catshark is Least Concern while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Broadgill Catshark	Leatherback Sea Turtle
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Chondrichthyes (软骨鱼纲)	Reptilia (爬行纲)
Order	Carcharhiniformes (真鲨目)	Testudines (龟鳖目)
Family	Scyliorhinidae	Cheloniidae (Sea Turtles)
Genus	Apristurus	Chelonia (Green Sea Turtles)
Species	Apristurus riveri	Dermochelys coriacea

Evolutionary Relationship

Broadgill Catshark and Leatherback Sea Turtle share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Broadgill Catshark

LC — Least Concern

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Broadgill Catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Venezuela.

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.

Broadgill Catshark

The Broadgill Catshark (Apristurus riveri) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Leatherback Sea Turtle

棱皮龟是现存最大的龟类，也是第四重的爬行动物。与其他龟类不同，它没有坚硬的甲壳，而是覆有柔软的皮革状皮肤。