Guiana Dolphin vs Round ray

Sotalia guianensis compared with Irolita waitii

Key Differences

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

Taxonomic Classification

Rank	Guiana Dolphin	Round 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	Irolita
Species	Sotalia guianensis	Irolita waitii

Evolutionary Relationship

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

Conservation Status

Guiana Dolphin

DD — Data Deficient

Round ray

LC — Least Concern

Physical Characteristics

Attribute	Guiana Dolphin	Round 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.

Round ray