Brazilian cow-nose ray vs Epaulard

Rhinoptera brasiliensis compared with Orcinus orca

Key Differences

• Brazilian cow-nose ray is Vulnerable while Epaulard is Data Deficient.

Taxonomic Classification

Rank	Brazilian cow-nose ray	Epaulard
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Elasmobranchii	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Myliobatiformes (อันดับปลากระเบน)	Cetacea (Whales & Dolphins)
Family	Myliobatidae	Delphinidae (Oceanic Dolphins)
Genus	Rhinoptera	Orcinus (Orcas)
Species	Rhinoptera brasiliensis	Orcinus orca

Evolutionary Relationship

Brazilian cow-nose ray and Epaulard share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Brazilian cow-nose ray

VU — Vulnerable

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute	Brazilian cow-nose ray	Epaulard
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

Habitat & Geographic Range

Brazilian cow-nose ray

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).

Brazilian cow-nose ray

The Brazilian cow-nose ray (Rhinoptera brasiliensis) is a species in the genus Rhinoptera. It is currently classified as Vulnerable on the IUCN Red List.

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.