Black roughscale catshark vs silky shark

Apristurus melanoasper compared with Carcharhinus falciformis

Key Differences

• Black roughscale catshark is Least Concern while silky shark is Vulnerable.

Taxonomic Classification

Rank	Black roughscale catshark	silky shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Chondrichthyes (Cartilaginous Fish)	Chondrichthyes (Cartilaginous Fish)
Order same	Carcharhiniformes (Ground Sharks)	Carcharhiniformes (Ground Sharks)
Family	Scyliorhinidae	Carcharhinidae
Genus	Apristurus	Carcharhinus
Species	Apristurus melanoasper	Carcharhinus falciformis

Evolutionary Relationship

Black roughscale catshark and silky shark share a common ancestor at the Order level: Carcharhiniformes. (Ground Sharks)

Conservation Status

Black roughscale catshark

LC — Least Concern

silky shark

VU — Vulnerable

Physical Characteristics

Attribute	Black roughscale catshark	silky shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black roughscale catshark

Habitat

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

silky shark

Habitat

Found across multiple habitat types including temperate coniferous forests, flooded grasslands and savannas, and Mediterranean forests and woodlands, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Algeria, Taiwan, Tunisia, and Venezuela. Currently classified as Vulnerable 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.