grand dauphin, souffleur, dauphin à gros nez vs Dusky catshark

Tursiops truncatus compared with Bythaelurus incanus

Key Differences

• grand dauphin, souffleur, dauphin à gros nez is Least Concern while Dusky catshark is Data Deficient.

Taxonomic Classification

Rank	grand dauphin, souffleur, dauphin à gros nez	Dusky catshark
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Chondrichthyes (Cartilaginous Fish)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (Ground Sharks)
Family	Delphinidae (Oceanic Dolphins)	Scyliorhinidae
Genus	Tursiops (Bottlenose Dolphins)	Bythaelurus
Species	Tursiops truncatus	Bythaelurus incanus

Evolutionary Relationship

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

Conservation Status

grand dauphin, souffleur, dauphin à gros nez

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Dusky catshark

DD — Data Deficient

Physical Characteristics

Attribute	grand dauphin, souffleur, dauphin à gros nez	Dusky catshark
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).

Dusky catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.