Black roughscale catshark vs Broad Scalewort

Apristurus melanoasper compared with Porella obtusata

Key Differences

• Black roughscale catshark is Least Concern while Broad Scalewort is Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	Broad 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	Porellaceae
Genus	Apristurus	Porella
Species	Apristurus melanoasper	Porella obtusata

Conservation Status

Black roughscale catshark

LC — Least Concern

Broad Scalewort

EN — Endangered

Physical Characteristics

Attribute	Black roughscale catshark	Broad 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.

Broad Scalewort

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, Sweden, 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.

Broad Scalewort

The Broad Scalewort (Porella obtusata) is a species in the genus Porella. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.