Pastenague du Pacifique vs baleine à bosse

Hemitrygon akajei compared with Megaptera novaeangliae

Key Differences

• Pastenague du Pacifique is Near Threatened while baleine à bosse is Vulnerable.

Taxonomic Classification

Rank	Pastenague du Pacifique	baleine à bosse
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (mammifères)
Order	Myliobatiformes (Myliobatiformes)	Cetacea (Whales & Dolphins)
Family	Dasyatidae	Balaenopteridae (Rorquals)
Genus	Hemitrygon	Megaptera (Humpback Whales)
Species	Hemitrygon akajei	Megaptera novaeangliae

Evolutionary Relationship

Pastenague du Pacifique and baleine à bosse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pastenague du Pacifique

NT — Near Threatened

baleine à bosse

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	Pastenague du Pacifique	baleine à bosse
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	15.0 m
Average Weight	—	30.0 t

Habitat & Geographic Range

Pastenague du Pacifique

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

baleine à bosse

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

Pastenague du Pacifique

The Brown Stingray (Hemitrygon akajei) is a species in the genus Hemitrygon. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

baleine à bosse

Among the most acrobatic of the great whales, humpback whales are renowned for their complex, haunting songs sung by males during breeding season — some lasting hours and evolving over time. Reaching 16 meters and 30 tonnes, they undertake the longest migrations of any mammal. Found in all oceans, humpbacks feed on krill and small fish using cooperative bubble-net feeding. Populations have largely recovered from historic whaling.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan