Irrawaddy dolphin vs Smooth nose wedgefish

Orcaella brevirostris compared with Rhynchobatus laevis

Key Differences

• Irrawaddy dolphin is Endangered while Smooth nose wedgefish is Critically Endangered.

Taxonomic Classification

Rank	Irrawaddy dolphin	Smooth nose wedgefish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rhinopristiformes (Rhinopristiformes)
Family	Delphinidae (Oceanic Dolphins)	Rhinidae
Genus	Orcaella	Rhynchobatus
Species	Orcaella brevirostris	Rhynchobatus laevis

Evolutionary Relationship

Irrawaddy dolphin and Smooth nose wedgefish share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Smooth nose wedgefish

CR — Critically Endangered

Physical Characteristics

Attribute	Irrawaddy dolphin	Smooth nose wedgefish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Smooth nose wedgefish