Hammerhead vs Irrawaddy dolphin

Sphyrna corona compared with Orcaella brevirostris

Key Differences

• Hammerhead is Critically Endangered while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Hammerhead	Irrawaddy dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Cetacea (Whales & Dolphins)
Family	Sphyrnidae (Hammerhead Sharks)	Delphinidae (Oceanic Dolphins)
Genus	Sphyrna (Hammerhead Sharks)	Orcaella
Species	Sphyrna corona	Orcaella brevirostris

Evolutionary Relationship

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

Conservation Status

Hammerhead

CR — Critically Endangered

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Hammerhead	Irrawaddy dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hammerhead

Habitat

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

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.