Irrawaddy dolphin vs Swell shark

Orcaella brevirostris compared with Cephaloscyllium ventriosum

Key Differences

• Irrawaddy dolphin is Endangered while Swell shark is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Swell shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (Ground Sharks)
Family	Delphinidae (Oceanic Dolphins)	Scyliorhinidae
Genus	Orcaella	Cephaloscyllium
Species	Orcaella brevirostris	Cephaloscyllium ventriosum

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Swell shark

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Swell shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Swell shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Chile.