Cook’s swellshark vs Steven's swellshark

Cephaloscyllium cooki compared with Cephaloscyllium stevensi

Key Differences

• Cook’s swellshark is Data Deficient while Steven's swellshark is Least Concern.

Taxonomic Classification

Rank	Cook’s swellshark	Steven's swellshark
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	Cephaloscyllium	Cephaloscyllium
Species	Cephaloscyllium cooki	Cephaloscyllium stevensi

Evolutionary Relationship

Cook’s swellshark and Steven's swellshark share a common ancestor at the Genus level: Cephaloscyllium.

Conservation Status

Cook’s swellshark

DD — Data Deficient

Steven's swellshark

LC — Least Concern

Physical Characteristics

Attribute	Cook’s swellshark	Steven's swellshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cook’s swellshark

Habitat

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

Steven's swellshark

Habitat

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