common bottlenose dolphin vs Cá Nhám đuôi gai

Tursiops truncatus compared with Galeus eastmani

Taxonomic Classification

Rank	common bottlenose dolphin	Cá Nhám đuôi gai
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Mammalia (lớp Thú)	Chondrichthyes (Lớp Cá sụn)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (Bộ Cá mập mắt trắng)
Family	Delphinidae (Oceanic Dolphins)	Scyliorhinidae
Genus	Tursiops (Bottlenose Dolphins)	Galeus
Species	Tursiops truncatus	Galeus eastmani

Evolutionary Relationship

common bottlenose dolphin and Cá Nhám đuôi gai share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Xem Phylum: Chordata

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Cá Nhám đuôi gai

LC — Least Concern

Physical Characteristics

Attribute	common bottlenose dolphin	Cá Nhám đuôi gai
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).

Cá Nhám đuôi gai

Habitat

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

Range

Found in Taiwan.

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.