Black roughscale catshark vs Holt's Scalewort

Apristurus melanoasper compared with Radula holtii

Key Differences

• Black roughscale catshark is Least Concern while Holt's Scalewort is Near Threatened.

Taxonomic Classification

Rank	Black roughscale catshark	Holt's Scalewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Chondrichthyes (Cartilaginous Fish)	Jungermanniopsida (Jungermanniopsida)
Order	Carcharhiniformes (Ground Sharks)	Porellales (Porellales)
Family	Scyliorhinidae	Radulaceae
Genus	Apristurus	Radula
Species	Apristurus melanoasper	Radula holtii

Conservation Status

Black roughscale catshark

LC — Least Concern

Holt's Scalewort

NT — Near Threatened

Physical Characteristics

Attribute	Black roughscale catshark	Holt's Scalewort
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.

Holt's Scalewort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Portugal. 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.