Cook’s swellshark vs Leopard-spotted swellshark

Cephaloscyllium cooki compared with Cephaloscyllium fasciatum

Key Differences

• Cook’s swellshark is Data Deficient while Leopard-spotted swellshark is Critically Endangered.

Taxonomic Classification

Rank	Cook’s swellshark	Leopard-spotted swellshark
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Chondrichthyes (연골어류)	Chondrichthyes (연골어류)
Order same	Carcharhiniformes (흉상어목)	Carcharhiniformes (흉상어목)
Family same	Scyliorhinidae	Scyliorhinidae
Genus same	Cephaloscyllium	Cephaloscyllium
Species	Cephaloscyllium cooki	Cephaloscyllium fasciatum

Evolutionary Relationship

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

Conservation Status

Cook’s swellshark

DD — Data Deficient

Leopard-spotted swellshark

CR — Critically Endangered

Physical Characteristics

Attribute	Cook’s swellshark	Leopard-spotted 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.

Leopard-spotted swellshark

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

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