Big Finner vs Eventooth shark

Balaenoptera physalus compared with Carcharhinus isodon

Key Differences

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

Taxonomic Classification

Rank	Big Finner	Eventooth shark
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Chondrichthyes (ปลากระดูกอ่อน)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (อันดับปลาฉลามครีบดำ)
Family	Balaenopteridae (Rorquals)	Carcharhinidae
Genus	Balaenoptera (Rorquals)	Carcharhinus
Species	Balaenoptera physalus	Carcharhinus isodon

Evolutionary Relationship

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

Conservation Status

Big Finner

EN — Endangered

Eventooth shark

NT — Near Threatened

Physical Characteristics

Attribute	Big Finner	Eventooth 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.

Eventooth shark

Habitat

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.