Epaulard vs River Lamprey

Orcinus orca compared with Lampetra ayresii

Key Differences

• Epaulard is Data Deficient while River Lamprey is Least Concern.

Taxonomic Classification

Rank	Epaulard	River Lamprey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Petromyzonti (Petromyzonti)
Order	Cetacea (Whales & Dolphins)	Petromyzontiformes (Lampreia)
Family	Delphinidae (Oceanic Dolphins)	Petromyzontidae
Genus	Orcinus (Orcas)	Lampetra
Species	Orcinus orca	Lampetra ayresii

Evolutionary Relationship

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

Conservation Status

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

River Lamprey

LC — Least Concern

Physical Characteristics

Attribute	Epaulard	River Lamprey
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	8.0 m	—
Average Weight	5.4 t	—

Habitat & Geographic Range

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).

River Lamprey

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.