Balloon shark vs Black roughscale catshark

Cephaloscyllium sarawakensis compared with Apristurus melanoasper

Key Differences

• Balloon shark is Critically Endangered while Black roughscale catshark is Least Concern.

Taxonomic Classification

Rank	Balloon shark	Black roughscale catshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
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	Cephaloscyllium	Apristurus
Species	Cephaloscyllium sarawakensis	Apristurus melanoasper

Evolutionary Relationship

Balloon shark and Black roughscale catshark share a common ancestor at the Family level: Scyliorhinidae.

Conservation Status

Balloon shark

CR — Critically Endangered

Black roughscale catshark

LC — Least Concern

Physical Characteristics

Attribute	Balloon shark	Black roughscale catshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Balloon shark

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.

Black roughscale catshark

Habitat

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

Balloon shark

The Balloon shark (Cephaloscyllium sarawakensis) is a species in the genus Cephaloscyllium. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Black roughscale catshark

The Black roughscale catshark (Apristurus melanoasper) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.