Black roughscale catshark vs Green Sea Turtle

Apristurus melanoasper compared with Chelonia mydas

Key Differences

• Black roughscale catshark is Least Concern while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	Green Sea Turtle
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Chondrichthyes (ปลากระดูกอ่อน)	Reptilia (สัตว์เลื้อยคลาน)
Order	Carcharhiniformes (อันดับปลาฉลามครีบดำ)	Testudines (เต่า)
Family	Scyliorhinidae	Cheloniidae (Sea Turtles)
Genus	Apristurus	Chelonia (Green Sea Turtles)
Species	Apristurus melanoasper	Chelonia mydas

Evolutionary Relationship

Black roughscale catshark and Green Sea Turtle share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Black roughscale catshark

LC — Least Concern

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Black roughscale catshark	Green Sea Turtle
Diet	—	Herbivore
Average Lifespan	—	80 years
Average Length	—	1.2 m
Average Weight	—	200.0 kg

Habitat & Geographic Range

Black roughscale catshark

Habitat

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

Green 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 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Brazil, Costa Rica, Indonesia, and Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black roughscale catshark

The Black roughscale catshark (Apristurus melanoasper) 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.

Green Sea Turtle

The green sea turtle is one of the largest sea turtles. They are named for the green color of their cartilage and fat, not their shells.