Irrawaddy dolphin vs Arraia-beiço-de-boi

Orcaella brevirostris compared with Myliobatis goodei

Key Differences

• Irrawaddy dolphin is Endangered while Arraia-beiço-de-boi is Vulnerable.

Taxonomic Classification

Rank	Irrawaddy dolphin	Arraia-beiço-de-boi
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)	Myliobatidae
Genus	Orcaella	Myliobatis
Species	Orcaella brevirostris	Myliobatis goodei

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Arraia-beiço-de-boi

VU — Vulnerable

Physical Characteristics

Attribute	Irrawaddy dolphin	Arraia-beiço-de-boi
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arraia-beiço-de-boi

Habitat

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

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.