Amazon River Dolphin vs Dusky Dolphin

Inia geoffrensis compared with Lagenorhynchus obscurus

Key Differences

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

Taxonomic Classification

Rank	Amazon River Dolphin	Dusky Dolphin
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Mammalia (млекопитающие)	Mammalia (млекопитающие)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Iniidae	Delphinidae (Oceanic Dolphins)
Genus	Inia	Lagenorhynchus
Species	Inia geoffrensis	Lagenorhynchus obscurus

Evolutionary Relationship

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

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Dusky Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Amazon River Dolphin	Dusky 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.

Dusky 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.