Irrawaddy dolphin vs pantropical spotted dolphin

Orcaella brevirostris compared with Stenella attenuata

Key Differences

• Irrawaddy dolphin is Endangered while pantropical spotted dolphin is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	pantropical spotted dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family same	Delphinidae (Oceanic Dolphins)	Delphinidae (Oceanic Dolphins)
Genus	Orcaella	Stenella
Species	Orcaella brevirostris	Stenella attenuata

Evolutionary Relationship

Irrawaddy dolphin and pantropical spotted dolphin share a common ancestor at the Family level: Delphinidae. (Oceanic Dolphins)

Conservation Status

Irrawaddy dolphin

EN — Endangered

pantropical spotted dolphin

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	pantropical spotted dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

pantropical spotted dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Norway, Taiwan, and Venezuela.