Guiana Dolphin vs Hamlyn's bull-ray

Sotalia guianensis compared with Myliobatis hamlyni

Key Differences

• Guiana Dolphin is Data Deficient while Hamlyn's bull-ray is Near Threatened.

Taxonomic Classification

Rank	Guiana Dolphin	Hamlyn's bull-ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Myliobatiformes (Myliobatiformes)
Family	Delphinidae (Oceanic Dolphins)	Myliobatidae
Genus	Sotalia	Myliobatis
Species	Sotalia guianensis	Myliobatis hamlyni

Evolutionary Relationship

Guiana Dolphin and Hamlyn's bull-ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Guiana Dolphin

DD — Data Deficient

Hamlyn's bull-ray

NT — Near Threatened

Physical Characteristics

Attribute	Guiana Dolphin	Hamlyn's bull-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.

Hamlyn's bull-ray