Black roughscale catshark vs Bordered Ermel

Apristurus melanoasper compared with Ethmia bipunctella

Key Differences

• Black roughscale catshark is Least Concern while Bordered Ermel is Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	Bordered Ermel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Carcharhiniformes (Ground Sharks)	Lepidoptera (Butterflies & Moths)
Family	Scyliorhinidae	Ethmiidae
Genus	Apristurus	Ethmia
Species	Apristurus melanoasper	Ethmia bipunctella

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Bordered Ermel

EN — Endangered

Physical Characteristics

Attribute	Black roughscale catshark	Bordered Ermel
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.

Bordered Ermel

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (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.

Bordered Ermel

The Bordered Ermel (Ethmia bipunctella) is a species in the genus Ethmia. It is currently classified as Endangered on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.