Guiana Dolphin vs undulate ray

Sotalia guianensis compared with Raja undulata

Key Differences

• Guiana Dolphin is Data Deficient while undulate ray is Endangered.

Taxonomic Classification

Rank	Guiana Dolphin	undulate 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 undulata

Evolutionary Relationship

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

Conservation Status

Guiana Dolphin

DD — Data Deficient

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Guiana Dolphin	undulate 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.

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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