Black roughscale catshark vs Isago-gangi-ei

Apristurus melanoasper compared with Okamejei hollandi

Key Differences

• Black roughscale catshark is Least Concern while Isago-gangi-ei is Vulnerable.

Taxonomic Classification

Rank	Black roughscale catshark	Isago-gangi-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Chondrichthyes (軟骨魚綱)	Elasmobranchii
Order	Carcharhiniformes (メジロザメ目)	Rajiformes (ガンギエイ目)
Family	Scyliorhinidae	Rajidae
Genus	Apristurus	Okamejei
Species	Apristurus melanoasper	Okamejei hollandi

Evolutionary Relationship

Black roughscale catshark and Isago-gangi-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Black roughscale catshark

LC — Least Concern

Isago-gangi-ei

VU — Vulnerable

Physical Characteristics

Attribute	Black roughscale catshark	Isago-gangi-ei
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.

Isago-gangi-ei

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. 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.