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 (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Chondrichthyes (Lớp Cá sụn)	Chondrichthyes (Lớp Cá sụn)
Order same	Carcharhiniformes (Bộ Cá mập mắt trắng)	Carcharhiniformes (Bộ Cá mập mắt trắng)
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.