Guiana Dolphin vs Spotted Barbtail

Sotalia guianensis compared with Premnoplex brunnescens

Key Differences

• Guiana Dolphin is Data Deficient while Spotted Barbtail is Least Concern.

Taxonomic Classification

Rank	Guiana 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	Delphinidae (Oceanic Dolphins)	Furnariidae
Genus	Sotalia	Premnoplex
Species	Sotalia guianensis	Premnoplex brunnescens

Evolutionary Relationship

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

Conservation Status

Guiana Dolphin

DD — Data Deficient

Spotted Barbtail

LC — Least Concern

Physical Characteristics

Attribute	Guiana Dolphin	Spotted Barbtail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guiana Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Spotted Barbtail

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela