Broadmouth cat shark vs Leatherback Sea Turtle

Apristurus macrostomus compared with Dermochelys coriacea

Key Differences

• Broadmouth cat shark is Least Concern while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Broadmouth cat shark	Leatherback Sea Turtle
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class	Chondrichthyes (कॉन्ड्रीइक्थीज़)	Reptilia (सरीसृप)
Order	Carcharhiniformes (Ground Sharks)	Testudines (कछुआ)
Family	Scyliorhinidae	Cheloniidae (Sea Turtles)
Genus	Apristurus	Chelonia (Green Sea Turtles)
Species	Apristurus macrostomus	Dermochelys coriacea

Evolutionary Relationship

Broadmouth cat shark and Leatherback Sea Turtle share a common ancestor at the Phylum level: Chordata. (रज्जुकी)

Conservation Status

Broadmouth cat shark

LC — Least Concern

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Broadmouth cat shark	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Broadmouth cat shark

Habitat

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

Range

Found in Taiwan.

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.

Broadmouth cat shark

The Broadmouth Cat Shark (Apristurus macrostomus) 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

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