Indian Ocean humpback dolphin vs Spreadfin skate

Sousa plumbea compared with Dipturus olseni

Key Differences

• Indian Ocean humpback dolphin is Endangered while Spreadfin skate is Least Concern.

Taxonomic Classification

Rank	Indian Ocean humpback dolphin	Spreadfin skate
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)	Rajidae
Genus	Sousa	Dipturus
Species	Sousa plumbea	Dipturus olseni

Evolutionary Relationship

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

Conservation Status

Indian Ocean humpback dolphin

EN — Endangered

Spreadfin skate

LC — Least Concern

Physical Characteristics

Attribute	Indian Ocean humpback dolphin	Spreadfin skate
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.

Spreadfin skate