Bigeye Sixgill Shark vs Epaulard

Hexanchus nakamurai compared with Orcinus orca

Key Differences

• Bigeye Sixgill Shark is Near Threatened while Epaulard is Data Deficient.

Taxonomic Classification

Rank	Bigeye Sixgill Shark	Epaulard
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Elasmobranchii	Mammalia (млекопитающие)
Order	Hexanchiformes (многожаберникообразные)	Cetacea (Whales & Dolphins)
Family	Hexanchidae	Delphinidae (Oceanic Dolphins)
Genus	Hexanchus	Orcinus (Orcas)
Species	Hexanchus nakamurai	Orcinus orca

Evolutionary Relationship

Bigeye Sixgill Shark and Epaulard share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Bigeye Sixgill Shark

NT — Near Threatened

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute	Bigeye Sixgill Shark	Epaulard
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

Habitat & Geographic Range

Bigeye Sixgill Shark

Habitat

Native to Asia and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Taiwan and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

Bigeye Sixgill Shark

The Bigeye Sixgill Shark (Hexanchus nakamurai) is a species in the genus Hexanchus. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia and South America, inhabiting ecosystems characteristic of the region.

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.

Shared Countries

Both species can be found in 2 countries:

🇹🇼 Taiwan 🇻🇪 Venezuela