common bottlenose dolphin vs Great Hammerhead

Tursiops truncatus compared with Sphyrna mokarran

Key Differences

• common bottlenose dolphin is Least Concern while Great Hammerhead is Critically Endangered.
• common bottlenose dolphin lives longer (45 years vs 40 years).

Taxonomic Classification

Rank	common bottlenose dolphin	Great Hammerhead
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Mammalia (포유류)	Chondrichthyes (연골어류)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (흉상어목)
Family	Delphinidae (Oceanic Dolphins)	Sphyrnidae (Hammerhead Sharks)
Genus	Tursiops (Bottlenose Dolphins)	Sphyrna (Hammerhead Sharks)
Species	Tursiops truncatus	Sphyrna mokarran

Evolutionary Relationship

common bottlenose dolphin and Great Hammerhead share a common ancestor at the Phylum level: Chordata. (척삭동물)

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Great Hammerhead

CR — Critically Endangered

Trend: Decreasing ↓

Physical Characteristics

Attribute	common bottlenose dolphin	Great Hammerhead
Diet	Carnivore	Carnivore
Average Lifespan	45 years	40 years
Average Length	3.0 m	5.0 m
Average Weight	300.0 kg	450.0 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).

Great Hammerhead

Habitat

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

Range

Distributed across Colombia, Taiwan, and Venezuela. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

common bottlenose dolphin

가장 많이 연구되고 잘 알려진 돌고래 종인 큰돌고래는 연안 얕은 곳부터 먼 바다까지 전 세계 온난하고 온대 해양에 서식합니다. 체구 대비 큰 뇌를 가진 고도로 지능적인 이 종은 자기 인식, 복잡한 의사소통 및 사회적 학습을 보여줍니다. 유동적인 분열-융합 사회에서 살며 물고기를 몰기 위해 협력합니다. 해양 생태계 건강의 핵심 지표 종입니다.

Great Hammerhead

가장 큰 귀상어 종으로, 큰귀상어는 최대 6미터에 달하며 전 세계 열대 및 아열대 연안 해역에 서식합니다. T자 형태의 독특한 머리(세팔로포일)는 전기 감지를 위한 감각 표면적을 크게 늘려, 모래 속에 숨어 있는 노랑가오리를 탁월한 정확도로 탐지할 수 있게 해줍니다—노랑가오리는 주요 먹이입니다. 높은 가치의 지느러미와 혼획 사망으로 인해 개체군이 급격히 감소하여 심각한위기종으로 분류되어 있습니다.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇹🇼 Taiwan 🇻🇪 Venezuela