Black roughscale catshark vs Smooth hound

Apristurus melanoasper compared with Triakis maculata

Key Differences

• Black roughscale catshark is Least Concern while Smooth hound is Critically Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	Smooth hound
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	Triakidae
Genus	Apristurus	Triakis
Species	Apristurus melanoasper	Triakis maculata

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Smooth hound

CR — Critically Endangered

Physical Characteristics

Attribute	Black roughscale catshark	Smooth hound
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.

Smooth hound

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Chile. Currently classified as Critically 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.