Dwarf black stingray vs Epaulard

Hemitrygon parvonigra compared with Orcinus orca

Taxonomic Classification

Rank	Dwarf black stingray	Epaulard
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Elasmobranchii	Mammalia (млекопитающие)
Order	Myliobatiformes (хвостоколообразные)	Cetacea (Whales & Dolphins)
Family	Dasyatidae	Delphinidae (Oceanic Dolphins)
Genus	Hemitrygon	Orcinus (Orcas)
Species	Hemitrygon parvonigra	Orcinus orca

Evolutionary Relationship

Dwarf black stingray and Epaulard share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Dwarf black stingray

DD — Data Deficient

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute	Dwarf black stingray	Epaulard
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

Habitat & Geographic Range

Dwarf black stingray

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).

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.