Indian Ocean humpback dolphin vs Ray

Sousa plumbea compared with Atlantoraja castelnaui

Key Differences

• Indian Ocean humpback dolphin is Endangered while Ray is Critically Endangered.

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	Atlantoraja
Species	Sousa plumbea	Atlantoraja castelnaui

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

CR — Critically Endangered

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