Black roughscale catshark vs Blue Chaser

Apristurus melanoasper compared with Libellula fulva

Key Differences

• Black roughscale catshark is Least Concern while Blue Chaser is Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	Blue Chaser
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Carcharhiniformes (Ground Sharks)	Odonata (Odonata)
Family	Scyliorhinidae	Libellulidae
Genus	Apristurus	Libellula
Species	Apristurus melanoasper	Libellula fulva

Evolutionary Relationship

Black roughscale catshark and Blue Chaser share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black roughscale catshark

LC — Least Concern

Blue Chaser

EN — Endangered

Physical Characteristics

Attribute	Black roughscale catshark	Blue Chaser
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.

Blue Chaser

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. Currently classified as 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.

Blue Chaser

Blue Chaser (Libellula fulva) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.