瓶鼻海豚 vs Ocean Sunfish

Tursiops truncatus compared with Mola mola

Key Differences

• 瓶鼻海豚 is Least Concern while Ocean Sunfish is Vulnerable.
• 瓶鼻海豚 is carnivore while Ocean Sunfish is omnivore.
• Ocean Sunfish is 3.3x heavier than 瓶鼻海豚.
• 瓶鼻海豚 lives longer (45 years vs 10 years).

Taxonomic Classification

Rank	瓶鼻海豚	Ocean Sunfish
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Mammalia (哺乳動物)	Actinopterygii (Ray-finned Fish)
Order	Cetacea (Whales & Dolphins)	Perciformes (鲈形目)
Family	Delphinidae (Oceanic Dolphins)	Scombridae (Tunas & Mackerels)
Genus	Tursiops (Bottlenose Dolphins)	Thunnus (Tunas)
Species	Tursiops truncatus	Mola mola

Evolutionary Relationship

瓶鼻海豚 and Ocean Sunfish share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Ocean Sunfish

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

Attribute	瓶鼻海豚	Ocean Sunfish
Diet	Carnivore	Omnivore
Average Lifespan	45 years	10 years
Average Length	3.0 m	2.7 m
Average Weight	300.0 kg	1.0 t

Habitat & Geographic Range

瓶鼻海豚

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).

Ocean Sunfish

Habitat

Typically found in a wide range of habitat types.

Range

Distributed across Australia, Japan, South Africa, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

瓶鼻海豚

作为研究最广泛、最受认可的海豚物种，宽吻海豚栖息于全球从沿岸浅水到远洋的温暖和温带海域。高度智能，大脑相对体型较大，展示自我认知、复杂交流和社会学习。生活在流动的分裂-融合社会中，合作围捕鱼群。是海洋生态系统健康的关键指示物种。

Ocean Sunfish

翻车鱼（Mola mola）是世界上已知最重的硬骨鱼类，体重可达2,300千克。