Black roughscale catshark vs Brown Ear

Apristurus melanoasper compared with Otidea cochleata

Key Differences

• Black roughscale catshark is Least Concern while Brown Ear is Vulnerable.

Taxonomic Classification

Rank	Black roughscale catshark	Brown Ear
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Chondrichthyes (Cartilaginous Fish)	Pezizomycetes (Pezizomycetes)
Order	Carcharhiniformes (Ground Sharks)	Pezizales (Pezizales)
Family	Scyliorhinidae	Otideaceae
Genus	Apristurus	Otidea
Species	Apristurus melanoasper	Otidea cochleata

Conservation Status

Black roughscale catshark

LC — Least Concern

Brown Ear

VU — Vulnerable

Physical Characteristics

Attribute	Black roughscale catshark	Brown Ear
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.

Brown Ear

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Vulnerable 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.

Brown Ear

The Brown Ear (Otidea cochleata) is a species in the genus Otidea. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.