Cook’s swellshark vs Schwellhai

Cephaloscyllium cooki compared with Cephaloscyllium ventriosum

Key Differences

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

Taxonomic Classification

Rank	Cook’s swellshark	Schwellhai
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Chondrichthyes (Knorpelfische)	Chondrichthyes (Knorpelfische)
Order same	Carcharhiniformes (Grundhaie)	Carcharhiniformes (Grundhaie)
Family same	Scyliorhinidae	Scyliorhinidae
Genus same	Cephaloscyllium	Cephaloscyllium
Species	Cephaloscyllium cooki	Cephaloscyllium ventriosum

Evolutionary Relationship

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

Conservation Status

Cook’s swellshark

DD — Data Deficient

Schwellhai

LC — Least Concern

Physical Characteristics

Attribute	Cook’s swellshark	Schwellhai
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.

Schwellhai

Habitat

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

Range

Found in Chile.