Granular dogfish vs Guiana Dolphin

Centroscyllium granulatum compared with Sotalia guianensis

Key Differences

• Granular dogfish is Vulnerable while Guiana Dolphin is Data Deficient.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Granular dogfish

VU — Vulnerable

Guiana Dolphin

DD — Data Deficient

Physical Characteristics

Attribute	Granular dogfish	Guiana Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Granular dogfish

Habitat

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

Range

Found in Chile. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Guiana Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.