Irrawaddy dolphin vs Ray

Orcaella brevirostris compared with Bathyraja schroederi

Key Differences

• Irrawaddy dolphin is Endangered while Ray is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Ray
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (ガンギエイ目)
Family	Delphinidae (Oceanic Dolphins)	Arhynchobatidae
Genus	Orcaella	Bathyraja
Species	Orcaella brevirostris	Bathyraja schroederi

Evolutionary Relationship

Irrawaddy dolphin and Ray share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Ray

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ray

Habitat

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

Range

Found in Chile.