Big Finner vs Cá Duôi O

Balaenoptera physalus compared with Aetobatus narinari

Key Differences

• Big Finner is Endangered while Cá Duôi O is Near Threatened.

Taxonomic Classification

Rank	Big Finner	Cá Duôi O
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Mammalia (lớp Thú)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Myliobatiformes (Bộ Cá đuối ó)
Family	Balaenopteridae (Rorquals)	Myliobatidae
Genus	Balaenoptera (Rorquals)	Aetobatus
Species	Balaenoptera physalus	Aetobatus narinari

Evolutionary Relationship

Big Finner and Cá Duôi O share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Big Finner

EN — Endangered

Cá Duôi O

NT — Near Threatened

Physical Characteristics

Attribute	Big Finner	Cá Duôi O
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.

Cá Duôi O

Habitat

Native to Asia and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Colombia, Taiwan, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Cá Duôi O

The Bishop ray (Aetobatus narinari) is a species in the genus Aetobatus. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia and South America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇹🇼 Taiwan 🇻🇪 Venezuela