Irrawaddy dolphin vs Sepia stingray

Orcaella brevirostris compared with Urolophus aurantiacus

Key Differences

• Irrawaddy dolphin is Endangered while Sepia stingray is Vulnerable.

Taxonomic Classification

Rank	Irrawaddy dolphin	Sepia stingray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Myliobatiformes (Myliobatiformes)
Family	Delphinidae (Oceanic Dolphins)	Urolophidae
Genus	Orcaella	Urolophus
Species	Orcaella brevirostris	Urolophus aurantiacus

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Sepia stingray

VU — Vulnerable

Physical Characteristics

Attribute	Irrawaddy dolphin	Sepia stingray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sepia stingray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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