Indian Ocean humpback dolphin vs Ray

Sousa plumbea compared with Bathyraja schroederi

Key Differences

• Indian Ocean humpback dolphin is Endangered while Ray is Least Concern.

Taxonomic Classification

Rank	Indian Ocean humpback 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	Sousa	Bathyraja
Species	Sousa plumbea	Bathyraja schroederi

Evolutionary Relationship

Indian Ocean humpback dolphin and Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Indian Ocean humpback dolphin

EN — Endangered

Ray

LC — Least Concern

Physical Characteristics

Attribute	Indian Ocean humpback dolphin	Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indian Ocean humpback dolphin

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

Ray

Habitat

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

Range

Found in Chile.