Amazon River Dolphin vs ナガスクジラ

Inia geoffrensis compared with Balaenoptera physalus

Key Differences

Amazon River Dolphin is Data Deficient while ナガスクジラ is Endangered.

Taxonomic Classification

Rank	Amazon River Dolphin	ナガスクジラ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Iniidae	Balaenopteridae (Rorquals)
Genus	Inia	Balaenoptera (Rorquals)
Species	Inia geoffrensis	Balaenoptera physalus

Evolutionary Relationship

Amazon River Dolphin and ナガスクジラ share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

表示 Order: Cetacea

Conservation Status

Amazon River Dolphin

DD — Data Deficient

ナガスクジラ

EN — Endangered

Physical Characteristics

Attribute	Amazon River Dolphin	ナガスクジラ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon River Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

ナガスクジラ

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.

Amazon River Dolphin

The Amazon River Dolphin (Inia geoffrensis) is a species in the genus Inia. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Typically found in diverse terrestrial and aquatic ecosystems.