Big-footed Thorius vs Black roughscale catshark

Thorius magnipes compared with Apristurus melanoasper

Key Differences

• Big-footed Thorius is Critically Endangered while Black roughscale catshark is Least Concern.

Taxonomic Classification

Rank	Big-footed Thorius	Black roughscale catshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Chondrichthyes (Cartilaginous Fish)
Order	Caudata (Caudata)	Carcharhiniformes (Ground Sharks)
Family	Plethodontidae	Scyliorhinidae
Genus	Thorius	Apristurus
Species	Thorius magnipes	Apristurus melanoasper

Evolutionary Relationship

Big-footed Thorius and Black roughscale catshark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-footed Thorius

CR — Critically Endangered

Black roughscale catshark

LC — Least Concern

Physical Characteristics

Attribute	Big-footed Thorius	Black roughscale catshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-footed Thorius

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black roughscale catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Big-footed Thorius

The Big-footed Thorius (Thorius magnipes) is a species in the genus Thorius. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neo

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.