Holbiche sombre vs Dusky catshark

Bythaelurus canescens compared with Bythaelurus incanus

Key Differences

• Holbiche sombre is Vulnerable while Dusky catshark is Data Deficient.

Taxonomic Classification

Rank	Holbiche sombre	Dusky catshark
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Chondrichthyes (Cartilaginous Fish)	Chondrichthyes (Cartilaginous Fish)
Order same	Carcharhiniformes (Ground Sharks)	Carcharhiniformes (Ground Sharks)
Family same	Scyliorhinidae	Scyliorhinidae
Genus same	Bythaelurus	Bythaelurus
Species	Bythaelurus canescens	Bythaelurus incanus

Evolutionary Relationship

Holbiche sombre and Dusky catshark share a common ancestor at the Genus level: Bythaelurus.

Conservation Status

Holbiche sombre

VU — Vulnerable

Dusky catshark

DD — Data Deficient

Physical Characteristics

Attribute	Holbiche sombre	Dusky catshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Holbiche sombre

Habitat

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

Range

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

Dusky catshark

Habitat

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

Holbiche sombre

The Cat shark (Bythaelurus canescens) is a species in the genus Bythaelurus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.