Blacktail spurdog vs Broadnose cat shark

Squalus melanurus compared with Apristurus investigatoris

Key Differences

• Blacktail spurdog is Data Deficient while Broadnose cat shark is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Broadnose cat shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Chondrichthyes (Cartilaginous Fish)
Order	Squaliformes (Squaliformes)	Carcharhiniformes (Ground Sharks)
Family	Squalidae	Scyliorhinidae
Genus	Squalus	Apristurus
Species	Squalus melanurus	Apristurus investigatoris

Evolutionary Relationship

Blacktail spurdog and Broadnose cat shark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Broadnose cat shark

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Broadnose cat shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Broadnose cat shark

Habitat

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

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.

Broadnose cat shark

The Broadnose Cat Shark (Apristurus investigatoris) 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.