Balloon shark vs Big Finner

Cephaloscyllium sufflans compared with Balaenoptera physalus

Key Differences

• Balloon shark is Near Threatened while Big Finner is Endangered.

Taxonomic Classification

Rank	Balloon shark	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Cetacea (Whales & Dolphins)
Family	Scyliorhinidae	Balaenopteridae (Rorquals)
Genus	Cephaloscyllium	Balaenoptera (Rorquals)
Species	Cephaloscyllium sufflans	Balaenoptera physalus

Evolutionary Relationship

Balloon shark and Big Finner share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Balloon shark

NT — Near Threatened

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Balloon shark	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Balloon shark

Habitat

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

Big Finner

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). 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.

Big Finner

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.