Black roughscale catshark vs Smith's Longspur

Apristurus melanoasper compared with Calcarius pictus

Taxonomic Classification

Rank	Black roughscale catshark	Smith's Longspur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Carcharhiniformes (Ground Sharks)	Passeriformes (Songbirds)
Family	Scyliorhinidae	Calcariidae
Genus	Apristurus	Calcarius
Species	Apristurus melanoasper	Calcarius pictus

Evolutionary Relationship

Black roughscale catshark and Smith's Longspur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black roughscale catshark

LC — Least Concern

Smith's Longspur

LC — Least Concern

Physical Characteristics

Attribute	Black roughscale catshark	Smith's Longspur
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.

Smith's Longspur

Habitat

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

Range

Distributed across Norway and United States.

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.