Black roughscale catshark vs Queen sago

Apristurus melanoasper compared with Cycas circinalis

Key Differences

• Black roughscale catshark is Least Concern while Queen sago is Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	Queen sago
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Chondrichthyes (Cartilaginous Fish)	Cycadopsida (Cycadopsida)
Order	Carcharhiniformes (Ground Sharks)	Cycadales (Cycadales)
Family	Scyliorhinidae	Cycadaceae
Genus	Apristurus	Cycas
Species	Apristurus melanoasper	Cycas circinalis

Conservation Status

Black roughscale catshark

LC — Least Concern

Queen sago

EN — Endangered

Physical Characteristics

Attribute	Black roughscale catshark	Queen sago
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.

Queen sago

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 5 distinct biome types spanning the Afrotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Marshall Islands, Portugal, South Africa, Taiwan, and United States. 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.