Balloon shark vs Bigeye thresher

Cephaloscyllium sufflans compared with Alopias pelagicus

Key Differences

• Balloon shark is Near Threatened while Bigeye thresher is Endangered.

Taxonomic Classification

Rank	Balloon shark	Bigeye thresher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Chondrichthyes (Cartilaginous Fish)	Chondrichthyes (Cartilaginous Fish)
Order	Carcharhiniformes (Ground Sharks)	Lamniformes (Mackerel Sharks)
Family	Scyliorhinidae	Alopiidae
Genus	Cephaloscyllium	Alopias
Species	Cephaloscyllium sufflans	Alopias pelagicus

Evolutionary Relationship

Balloon shark and Bigeye thresher share a common ancestor at the Class level: Chondrichthyes. (Cartilaginous Fish)

Conservation Status

Balloon shark

NT — Near Threatened

Bigeye thresher

EN — Endangered

Physical Characteristics

Attribute	Balloon shark	Bigeye thresher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Balloon shark

Habitat

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

Bigeye thresher

Habitat

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

Range

Distributed across Colombia and Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Balloon shark

The Balloon shark (Cephaloscyllium sufflans) 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.

Bigeye thresher

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.