grand dauphin, souffleur, dauphin à gros nez vs Grande Naïade

Tursiops truncatus compared with Najas marina

Key Differences

grand dauphin, souffleur, dauphin à gros nez is Least Concern while Grande Naïade is Endangered.

Taxonomic Classification

Rank	grand dauphin, souffleur, dauphin à gros nez	Grande Naïade
Kingdom	Animalia (animal)	Plantae (plante)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (mammifères)	Liliopsida (Monocots)
Order	Cetacea (Whales & Dolphins)	Alismatales (Alismatales)
Family	Delphinidae (Oceanic Dolphins)	Hydrocharitaceae
Genus	Tursiops (Bottlenose Dolphins)	Najas
Species	Tursiops truncatus	Najas marina

Conservation Status

grand dauphin, souffleur, dauphin à gros nez

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Grande Naïade

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

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).

Grande Naïade

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and deserts and xeric shrublands, among 5 distinct biome types spanning the Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Sri Lanka, Taiwan), Europe (5 countries), North America (6 countries), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.