Amazon River Dolphin vs Asiatic elephant

Inia geoffrensis compared with Elephas maximus

Key Differences

Amazon River Dolphin is Data Deficient while Asiatic elephant is Endangered.

Taxonomic Classification

Rank	Amazon River Dolphin	Asiatic elephant
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	Cetacea (Whales & Dolphins)	Proboscidea (ゾウ目)
Family	Iniidae	Elephantidae (Elephants)
Genus	Inia	Elephas (Asian Elephants)
Species	Inia geoffrensis	Elephas maximus

Evolutionary Relationship

Amazon River Dolphin and Asiatic elephant share a common ancestor at the Class level: Mammalia. (哺乳類)

表示 Class: Mammalia

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Asiatic elephant

EN — Endangered

Population: ~50.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Amazon River Dolphin	Asiatic elephant
Diet	—	Herbivore
Average Lifespan	—	60 years
Average Length	—	5.5 m
Average Weight	—	4.0 t

Habitat & Geographic Range

Amazon River Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Asiatic elephant

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 9 distinct biome types spanning the Australasia and Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across India, Indonesia, Myanmar, Sri Lanka, and Thailand. 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.

Asiatic elephant

アジアゾウ（Elephas maximus）はアフリカゾウに比べて小型で、インドから東南アジア・インドネシアに至る森林・草原に生息する。アフリカゾウより小さな耳・丸みのある背・鼻先の1本の指状突起などの形態的特徴を持ち、アジアの文化・宗教と深く結びついており、古来より使役動物・神事に用いられてきた。IUCNレッドリストでは絶滅危惧（EN）に分類されており、野生の個体数は5万頭を下回る。