Irrawaddy dolphin vs Longspine chimaera

Orcaella brevirostris compared with Chimaera macrospina

Key Differences

• Irrawaddy dolphin is Endangered while Longspine chimaera is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Longspine chimaera
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Holocephali (Holocephali)
Order	Cetacea (Whales & Dolphins)	Chimaeriformes (Chimaeriformes)
Family	Delphinidae (Oceanic Dolphins)	Chimaeridae
Genus	Orcaella	Chimaera
Species	Orcaella brevirostris	Chimaera macrospina

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Longspine chimaera

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Longspine chimaera
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Longspine chimaera