Big Finner vs Krabane hang-nahm

Balaenoptera physalus compared with Brevitrygon walga

Key Differences

• Big Finner is Endangered while Krabane hang-nahm is Near Threatened.

Taxonomic Classification

Rank	Big Finner	Krabane hang-nahm
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Myliobatiformes (อันดับปลากระเบน)
Family	Balaenopteridae (Rorquals)	Dasyatidae
Genus	Balaenoptera (Rorquals)	Brevitrygon
Species	Balaenoptera physalus	Brevitrygon walga

Evolutionary Relationship

Big Finner and Krabane hang-nahm share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Big Finner

EN — Endangered

Krabane hang-nahm

NT — Near Threatened

Physical Characteristics

Attribute	Big Finner	Krabane hang-nahm
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.

Krabane hang-nahm

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.