Irrawaddy dolphin vs Arraia

Orcaella brevirostris compared with Hypanus americanus

Key Differences

• Irrawaddy dolphin is Endangered while Arraia is Near Threatened.

Taxonomic Classification

Rank	Irrawaddy dolphin	Arraia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Myliobatiformes (Myliobatiformes)
Family	Delphinidae (Oceanic Dolphins)	Dasyatidae
Genus	Orcaella	Hypanus
Species	Orcaella brevirostris	Hypanus americanus

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Arraia

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arraia

Habitat

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

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.