Calderon Gris vs Hamlyn's bull-ray

Grampus griseus compared with Myliobatis hamlyni

Key Differences

• Calderon Gris is Least Concern while Hamlyn's bull-ray is Near Threatened.

Taxonomic Classification

Rank	Calderon Gris	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	Grampus	Myliobatis
Species	Grampus griseus	Myliobatis hamlyni

Evolutionary Relationship

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

Conservation Status

Calderon Gris

LC — Least Concern

Hamlyn's bull-ray

NT — Near Threatened

Physical Characteristics

Attribute	Calderon Gris	Hamlyn's bull-ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Calderon Gris

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

Hamlyn's bull-ray

Calderon Gris

The Calderon Gris (Grampus griseus) is a species in the genus Grampus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.