Amazon River Dolphin vs Spotted Barbtail

Inia geoffrensis compared with Premnoplex brunnescens

Key Differences

• Amazon River Dolphin is Data Deficient while Spotted Barbtail is Least Concern.

Taxonomic Classification

Rank	Amazon River Dolphin	Spotted Barbtail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Passeriformes (Songbirds)
Family	Iniidae	Furnariidae
Genus	Inia	Premnoplex
Species	Inia geoffrensis	Premnoplex brunnescens

Evolutionary Relationship

Amazon River Dolphin and Spotted Barbtail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Spotted Barbtail

LC — Least Concern

Physical Characteristics

Attribute	Amazon River Dolphin	Spotted Barbtail
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.

Spotted Barbtail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

Spotted Barbtail

Spotted Barbtail (Premnoplex brunnescens) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela