Big Finner vs Broadmouth cat shark

Balaenoptera physalus compared with Apristurus macrostomus

Key Differences

• Big Finner is Endangered while Broadmouth cat shark is Least Concern.

Taxonomic Classification

Rank	Big Finner	Broadmouth cat shark
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class	Mammalia (स्तनधारी)	Chondrichthyes (कॉन्ड्रीइक्थीज़)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (Ground Sharks)
Family	Balaenopteridae (Rorquals)	Scyliorhinidae
Genus	Balaenoptera (Rorquals)	Apristurus
Species	Balaenoptera physalus	Apristurus macrostomus

Evolutionary Relationship

Big Finner and Broadmouth cat shark share a common ancestor at the Phylum level: Chordata. (रज्जुकी)

Conservation Status

Big Finner

EN — Endangered

Broadmouth cat shark

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Broadmouth cat shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Broadmouth cat shark

Habitat

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

Range

Found in Taiwan.

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.

Broadmouth cat shark

The Broadmouth Cat Shark (Apristurus macrostomus) 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.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan