Guiana Dolphin vs Ray

Sotalia guianensis compared with Atlantoraja castelnaui

Key Differences

• Guiana Dolphin is Data Deficient while Ray is Critically Endangered.

Taxonomic Classification

Rank	Guiana Dolphin	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)	Arhynchobatidae
Genus	Sotalia	Atlantoraja
Species	Sotalia guianensis	Atlantoraja castelnaui

Evolutionary Relationship

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

Conservation Status

Guiana Dolphin

DD — Data Deficient

Ray

CR — Critically Endangered

Physical Characteristics

Attribute	Guiana Dolphin	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.

Ray