Atlantic Bluefin Tuna vs Ocean Sunfish

Thunnus thynnus compared with Mola mola

Key Differences

• Atlantic Bluefin Tuna is Least Concern while Ocean Sunfish is Vulnerable.
• Atlantic Bluefin Tuna is carnivore while Ocean Sunfish is omnivore.
• Ocean Sunfish is 4.0x heavier than Atlantic Bluefin Tuna.
• Atlantic Bluefin Tuna lives longer (40 years vs 10 years).

Taxonomic Classification

Rank	Atlantic Bluefin Tuna	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 same	Actinopterygii (Ray-finned Fish)	Actinopterygii (Ray-finned Fish)
Order same	Perciformes (鲈形目)	Perciformes (鲈形目)
Family same	Scombridae (Tunas & Mackerels)	Scombridae (Tunas & Mackerels)
Genus same	Thunnus (Tunas)	Thunnus (Tunas)
Species	Thunnus thynnus	Mola mola

Evolutionary Relationship

Atlantic Bluefin Tuna and Ocean Sunfish share a common ancestor at the Genus level: Thunnus. (Tunas)

Conservation Status

Atlantic Bluefin Tuna

LC — Least Concern

Trend: Increasing ↑

Ocean Sunfish

VU — Vulnerable

Trend: Decreasing ↓

Physical Characteristics

Attribute	Atlantic Bluefin Tuna	Ocean Sunfish
Diet	Carnivore	Omnivore
Average Lifespan	40 years	10 years
Average Length	2.5 m	2.7 m
Average Weight	250.0 kg	1.0 t

Habitat & Geographic Range

Atlantic Bluefin Tuna

Habitat

Found across multiple habitat types including temperate coniferous forests, montane grasslands and shrublands, and Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Distributed across Italy, Japan, Morocco, Spain, and United States.

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.

Atlantic Bluefin Tuna

大西洋蓝鳍金枪鱼（Thunnus thynnus）是世界上体型最大、游速最快、经济价值最高的鱼类之一，最大个体体重可超过600千克。该物种保护状态为濒危（EN），由于过度捕捞，其野生种群数量急剧下降，单条优质个体在日本拍卖市场上的成交价曾超过300万美元。

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。

Shared Countries

Both species can be found in 2 countries:

🇯🇵 Japan 🇺🇸 United States