Nanukazame vs Cook’s swellshark

Cephaloscyllium umbratile compared with Cephaloscyllium cooki

Key Differences

• Nanukazame is Near Threatened while Cook’s swellshark is Data Deficient.

Taxonomic Classification

Rank	Nanukazame	Cook’s swellshark
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Chondrichthyes (軟骨魚綱)	Chondrichthyes (軟骨魚綱)
Order same	Carcharhiniformes (メジロザメ目)	Carcharhiniformes (メジロザメ目)
Family same	Scyliorhinidae	Scyliorhinidae
Genus same	Cephaloscyllium	Cephaloscyllium
Species	Cephaloscyllium umbratile	Cephaloscyllium cooki

Evolutionary Relationship

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

Conservation Status

Nanukazame

NT — Near Threatened

Cook’s swellshark

DD — Data Deficient

Physical Characteristics

Attribute	Nanukazame	Cook’s swellshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nanukazame

Habitat

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

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Cook’s swellshark

Habitat

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

Nanukazame

The Blotchy swell shark (Cephaloscyllium umbratile) is a species in the genus Cephaloscyllium. It is currently classified as Near Threatened on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.