Black roughscale catshark vs White-shouldered Ibis

Apristurus melanoasper compared with Pseudibis davisoni

Key Differences

• Black roughscale catshark is Least Concern while White-shouldered Ibis is Critically Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	White-shouldered Ibis
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Carcharhiniformes (Ground Sharks)	Pelecaniformes (Pelecaniformes)
Family	Scyliorhinidae	Threskiornithidae
Genus	Apristurus	Pseudibis
Species	Apristurus melanoasper	Pseudibis davisoni

Evolutionary Relationship

Black roughscale catshark and White-shouldered Ibis share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black roughscale catshark

LC — Least Concern

White-shouldered Ibis

CR — Critically Endangered

Physical Characteristics

Attribute	Black roughscale catshark	White-shouldered Ibis
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.

White-shouldered Ibis

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Currently classified as Critically 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.