Guiana Dolphin vs Sparsetooth dogfish

Sotalia guianensis compared with Scymnodalatias oligodon

Key Differences

• Guiana Dolphin is Data Deficient while Sparsetooth dogfish is Least Concern.

Taxonomic Classification

Rank	Guiana Dolphin	Sparsetooth 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)	Somniosidae
Genus	Sotalia	Scymnodalatias
Species	Sotalia guianensis	Scymnodalatias oligodon

Evolutionary Relationship

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

Conservation Status

Guiana Dolphin

DD — Data Deficient

Sparsetooth dogfish

LC — Least Concern

Physical Characteristics

Attribute	Guiana Dolphin	Sparsetooth 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.

Sparsetooth dogfish

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.