Irrawaddy dolphin vs Sailray

Orcaella brevirostris compared with Rajella lintea

Key Differences

• Irrawaddy dolphin is Endangered while Sailray is Near Threatened.

Taxonomic Classification

Rank	Irrawaddy dolphin	Sailray
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	Rajella
Species	Orcaella brevirostris	Rajella lintea

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Sailray

NT — Near Threatened

Physical Characteristics

Attribute	Irrawaddy dolphin	Sailray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sailray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.