common bottlenose dolphin vs smooth hound

Tursiops truncatus compared with Mustelus mustelus

Key Differences

• common bottlenose dolphin is Least Concern while smooth hound is Not Evaluated.

Taxonomic Classification

Rank	common bottlenose dolphin	smooth hound
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (Ground Sharks)
Family	Delphinidae (Oceanic Dolphins)	Triakidae
Genus	Tursiops (Bottlenose Dolphins)	Mustelus
Species	Tursiops truncatus	Mustelus mustelus

Evolutionary Relationship

common bottlenose dolphin and smooth hound share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

smooth hound

NE — Not Evaluated

Physical Characteristics

Attribute	common bottlenose dolphin	smooth hound
Diet	Carnivore	—
Average Lifespan	45 years	—
Average Length	3.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

common bottlenose dolphin

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).

smooth hound

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.

common bottlenose dolphin

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden