Dusky Dolphin vs Guiana Dolphin

Lagenorhynchus obscurus compared with Sotalia guianensis

Key Differences

• Dusky Dolphin is Least Concern while Guiana Dolphin is Data Deficient.

Taxonomic Classification

Rank	Dusky Dolphin	Guiana Dolphin
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family same	Delphinidae (Oceanic Dolphins)	Delphinidae (Oceanic Dolphins)
Genus	Lagenorhynchus	Sotalia
Species	Lagenorhynchus obscurus	Sotalia guianensis

Evolutionary Relationship

Dusky Dolphin and Guiana Dolphin share a common ancestor at the Family level: Delphinidae. (Oceanic Dolphins)

Conservation Status

Dusky Dolphin

LC — Least Concern

Guiana Dolphin

DD — Data Deficient

Physical Characteristics

Attribute	Dusky Dolphin	Guiana Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Guiana Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.