Guiana Dolphin vs Ray

Sotalia guianensis compared with Sympterygia bonapartii

Key Differences

• Guiana Dolphin is Data Deficient while Ray is Near Threatened.

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	Sympterygia
Species	Sotalia guianensis	Sympterygia bonapartii

Evolutionary Relationship

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

Conservation Status

Guiana Dolphin

DD — Data Deficient

Ray

NT — Near Threatened

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

Habitat

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

Range

Found in Chile. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.