Irrawaddy dolphin vs Spot-tailed Dasher

Orcaella brevirostris compared with Micrathyria aequalis

Key Differences

• Irrawaddy dolphin is Endangered while Spot-tailed Dasher is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Spot-tailed Dasher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Odonata (Odonata)
Family	Delphinidae (Oceanic Dolphins)	Libellulidae
Genus	Orcaella	Micrathyria
Species	Orcaella brevirostris	Micrathyria aequalis

Evolutionary Relationship

Irrawaddy dolphin and Spot-tailed Dasher share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Spot-tailed Dasher

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Spot-tailed Dasher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spot-tailed Dasher

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Colombia and United States.