Pastenague du Pacifique vs grand dauphin, souffleur, dauphin à gros nez

Hemitrygon akajei compared with Tursiops truncatus

Key Differences

• Pastenague du Pacifique is Near Threatened while grand dauphin, souffleur, dauphin à gros nez is Least Concern.

Taxonomic Classification

Rank	Pastenague du Pacifique	grand dauphin, souffleur, dauphin à gros nez
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (mammifères)
Order	Myliobatiformes (Myliobatiformes)	Cetacea (Whales & Dolphins)
Family	Dasyatidae	Delphinidae (Oceanic Dolphins)
Genus	Hemitrygon	Tursiops (Bottlenose Dolphins)
Species	Hemitrygon akajei	Tursiops truncatus

Evolutionary Relationship

Pastenague du Pacifique and grand dauphin, souffleur, dauphin à gros nez share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pastenague du Pacifique

NT — Near Threatened

grand dauphin, souffleur, dauphin à gros nez

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Pastenague du Pacifique	grand dauphin, souffleur, dauphin à gros nez
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

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.

grand dauphin, souffleur, dauphin à gros nez

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 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

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.

grand dauphin, souffleur, dauphin à gros nez

The most studied and recognized dolphin species, bottlenose dolphins inhabit warm and temperate oceans worldwide, from coastal shallows to the open sea. Highly intelligent with large brains relative to body size, they demonstrate self-recognition, complex communication, and social learning. They live in fluid fission-fusion societies and cooperate to herd fish. A keystone indicator species for marine ecosystem health.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan