Baleia-comum vs Ajeru

Balaenoptera physalus compared with Aetobatus narinari

Key Differences

Baleia-comum is Endangered while Ajeru is Near Threatened.

Taxonomic Classification

Rank	Baleia-comum	Ajeru
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Myliobatiformes (Myliobatiformes)
Family	Balaenopteridae (Rorquals)	Myliobatidae
Genus	Balaenoptera (Rorquals)	Aetobatus
Species	Balaenoptera physalus	Aetobatus narinari

Evolutionary Relationship

Baleia-comum and Ajeru share a common ancestor at the Phylum level: Chordata. (cordados)

View Phylum: Chordata

Conservation Status

Baleia-comum

EN — Endangered

Ajeru

NT — Near Threatened

Physical Characteristics

Attribute	Baleia-comum	Ajeru
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Baleia-comum

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Ajeru

Habitat

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

Range

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

Baleia-comum

A baleia-fin (Balaenoptera physalus) está classificada como Em Perigo (EN) na Lista Vermelha da IUCN. Com alto risco de extinção em estado selvagem, com declínio populacional significativo e ameaças contínuas à sua sobrevivência.

Ajeru

The Bishop ray (Aetobatus narinari) is a species in the genus Aetobatus. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia and South America, inhabiting ecosystems characteristic of the region.