Bonnet hammerhead vs Epaulard

Sphyrna tiburo compared with Orcinus orca

Key Differences

• Bonnet hammerhead is Endangered while Epaulard is Data Deficient.

Taxonomic Classification

Rank	Bonnet hammerhead	Epaulard
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)	Orcinus (Orcas)
Species	Sphyrna tiburo	Orcinus orca

Evolutionary Relationship

Bonnet hammerhead and Epaulard share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bonnet hammerhead

EN — Endangered

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute	Bonnet hammerhead	Epaulard
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

Habitat & Geographic Range

Bonnet hammerhead

Habitat

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

Epaulard

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

Bonnet hammerhead

The Bonnet hammerhead (Sphyrna tiburo) is a species in the genus Sphyrna. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Epaulard

The largest member of the dolphin family, orcas reach up to 9 meters and 6 tonnes and are found in every ocean from Arctic to Antarctic. Apex predators living in matrilineal pods with distinct dialects, hunting strategies, and cultural traditions that differ between populations. Some populations specialize in fish, others in marine mammals. No natural predators; orcas sit at the top of every marine food chain they inhabit.