Irrawaddy dolphin vs Rough ray

Orcaella brevirostris compared with Raja radula

Taxonomic Classification

Rank	Irrawaddy dolphin	Rough 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)	Rajidae
Genus	Orcaella	Raja
Species	Orcaella brevirostris	Raja radula

Evolutionary Relationship

Irrawaddy dolphin and Rough ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Rough ray

EN — Endangered

Physical Characteristics

Attribute	Irrawaddy dolphin	Rough ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rough ray