Black roughscale catshark vs Goldcrest

Apristurus melanoasper compared with Regulus regulus

Key Differences

• Black roughscale catshark is Least Concern while Goldcrest is Vulnerable.

Taxonomic Classification

Rank	Black roughscale catshark	Goldcrest
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	Regulidae
Genus	Apristurus	Regulus
Species	Apristurus melanoasper	Regulus regulus

Evolutionary Relationship

Black roughscale catshark and Goldcrest share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black roughscale catshark

LC — Least Concern

Goldcrest

VU — Vulnerable

Physical Characteristics

Attribute	Black roughscale catshark	Goldcrest
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.

Goldcrest

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. 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.

Goldcrest

Goldcrest (Regulus regulus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.