Guiana Dolphin vs Speckled ray

Sotalia guianensis compared with Raja polystigma

Key Differences

• Guiana Dolphin is Data Deficient while Speckled ray is Least Concern.

Taxonomic Classification

Rank	Guiana Dolphin	Speckled ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Rajiformes)
Family	Delphinidae (Oceanic Dolphins)	Rajidae
Genus	Sotalia	Raja
Species	Sotalia guianensis	Raja polystigma

Evolutionary Relationship

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

Conservation Status

Guiana Dolphin

DD — Data Deficient

Speckled ray

LC — Least Concern

Physical Characteristics

Attribute	Guiana Dolphin	Speckled ray
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.

Speckled ray