Blackbelly skate vs Epaulard

Breviraja nigriventralis compared with Orcinus orca

Key Differences

Blackbelly skate is Least Concern while Epaulard is Data Deficient.

Taxonomic Classification

Rank	Blackbelly skate	Epaulard
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Elasmobranchii	Mammalia (mamíferos)
Order	Rajiformes (Rajiformes)	Cetacea (Whales & Dolphins)
Family	Rajidae	Delphinidae (Oceanic Dolphins)
Genus	Breviraja	Orcinus (Orcas)
Species	Breviraja nigriventralis	Orcinus orca

Evolutionary Relationship

Blackbelly skate and Epaulard share a common ancestor at the Phylum level: Chordata. (cordados)

View Phylum: Chordata

Conservation Status

Blackbelly skate

LC — Least Concern

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute	Blackbelly skate	Epaulard
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

Habitat & Geographic Range

Blackbelly skate

Habitat

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

Range

Found in Venezuela.

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).

Blackbelly skate

The Blackbelly skate (Breviraja nigriventralis) is a species in the genus Breviraja. It is currently classified as Least Concern on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

Epaulard

O maior membro da família dos golfinhos, as orcas (Orcinus orca) podem atingir até 9 metros de comprimento e 6 toneladas, sendo encontradas em todos os oceanos, do Ártico ao Antártico. Predadores de topo que vivem em grupos matrilineares com dialetos distintos, estratégias de caça e tradições culturais que diferem entre populações. Algumas populações se especializam em peixes, outras em mamíferos marinhos. Sem predadores naturais, as orcas ocupam o topo de todas as cadeias alimentares marinhas que habitam.