Irrawaddy dolphin vs Ray

Orcaella brevirostris compared with Dipturus trachyderma

Taxonomic Classification

Rank	Irrawaddy dolphin	Ray
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Mammalia (lớp Thú)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Bộ Cá đuối)
Family	Delphinidae (Oceanic Dolphins)	Rajidae
Genus	Orcaella	Dipturus
Species	Orcaella brevirostris	Dipturus trachyderma

Evolutionary Relationship

Irrawaddy dolphin and Ray share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Ray

EN — Endangered

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. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.