Black roughscale catshark vs Cuenca nelson frog

Apristurus melanoasper compared with Ctenophryne aequatorialis

Key Differences

• Black roughscale catshark is Least Concern while Cuenca nelson frog is Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	Cuenca nelson frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Amphibia (Amphibians)
Order	Carcharhiniformes (Ground Sharks)	Anura (Frogs & Toads)
Family	Scyliorhinidae	Microhylidae
Genus	Apristurus	Ctenophryne
Species	Apristurus melanoasper	Ctenophryne aequatorialis

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Cuenca nelson frog

EN — Endangered

Physical Characteristics

Attribute	Black roughscale catshark	Cuenca nelson frog
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.

Cuenca nelson frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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.