Amazon River Dolphin vs Hourglass Dolphin

Inia geoffrensis compared with Lagenorhynchus cruciger

Key Differences

• Amazon River Dolphin is Data Deficient while Hourglass Dolphin is Least Concern.

Taxonomic Classification

Rank	Amazon River Dolphin	Hourglass Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Iniidae	Delphinidae (Oceanic Dolphins)
Genus	Inia	Lagenorhynchus
Species	Inia geoffrensis	Lagenorhynchus cruciger

Evolutionary Relationship

Amazon River Dolphin and Hourglass Dolphin share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Amazon River Dolphin	Hourglass Dolphin
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.

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.