Black roughscale catshark vs Trashline orbweaver

Apristurus melanoasper compared with Cyclosa oculata

Key Differences

• Black roughscale catshark is Least Concern while Trashline orbweaver is Near Threatened.

Taxonomic Classification

Rank	Black roughscale catshark	Trashline orbweaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Arachnida (Arachnids)
Order	Carcharhiniformes (Ground Sharks)	Araneae (Araneae)
Family	Scyliorhinidae	Araneidae
Genus	Apristurus	Cyclosa
Species	Apristurus melanoasper	Cyclosa oculata

Evolutionary Relationship

Black roughscale catshark and Trashline orbweaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black roughscale catshark

LC — Least Concern

Trashline orbweaver

NT — Near Threatened

Physical Characteristics

Attribute	Black roughscale catshark	Trashline orbweaver
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.

Trashline orbweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Belgium, Denmark, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.