common bottlenose dolphin vs Speckled swellshark

Tursiops truncatus compared with Cephaloscyllium speccum

Key Differences

• common bottlenose dolphin is Least Concern while Speckled swellshark is Data Deficient.

Taxonomic Classification

Rank	common bottlenose dolphin	Speckled swellshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Chondrichthyes (Cartilaginous Fish)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (Ground Sharks)
Family	Delphinidae (Oceanic Dolphins)	Scyliorhinidae
Genus	Tursiops (Bottlenose Dolphins)	Cephaloscyllium
Species	Tursiops truncatus	Cephaloscyllium speccum

Evolutionary Relationship

common bottlenose dolphin and Speckled swellshark share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Speckled swellshark

DD — Data Deficient

Physical Characteristics

Attribute	common bottlenose dolphin	Speckled swellshark
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).

Speckled swellshark

Habitat

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

common bottlenose dolphin

A espécie de golfinho mais estudada e reconhecida, os roazes habitam oceanos quentes e temperados de todo o mundo, desde águas costeiras rasas até ao mar aberto. Altamente inteligentes com grandes cérebros em relação ao tamanho corporal, demonstram auto-reconhecimento, comunicação complexa e aprendizagem social. Vivem em sociedades fluidas de fissão-fusão e cooperam para arrebanhar peixes. Uma espécie indicadora chave da saúde dos ecossistemas marinhos.