Guiana Dolphin vs Highfin dogfish

Sotalia guianensis compared with Centroscyllium excelsum

Key Differences

• Guiana Dolphin is Data Deficient while Highfin dogfish is Near Threatened.

Taxonomic Classification

Rank	Guiana Dolphin	Highfin dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Squaliformes (Squaliformes)
Family	Delphinidae (Oceanic Dolphins)	Etmopteridae
Genus	Sotalia	Centroscyllium
Species	Sotalia guianensis	Centroscyllium excelsum

Evolutionary Relationship

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

Conservation Status

Guiana Dolphin

DD — Data Deficient

Highfin dogfish

NT — Near Threatened

Physical Characteristics

Attribute	Guiana Dolphin	Highfin dogfish
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.

Highfin dogfish