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 (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Actinopterygii (Ray-finned Fish)	Actinopterygii (Ray-finned Fish)
Order same	Perciformes (ペルカ目)	Perciformes (ペルカ目)
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)

表示 Genus: Thunnus

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

大西洋クロマグロ（Thunnus thynnus）は大西洋・地中海に生息する世界最大のマグロ類の一種で、体長3メートル・体重700キログラム以上に達する個体が知られる。IUCNレッドリストでは絶滅危惧（EN）に分類されており、寿司・刺身用として極めて高い市場価値を持ち、1尾が3億円以上で取引された事例もある。体温調節能力と高速遊泳能力（時速70キロ以上）を持つ、硬骨魚類の中でも異例の生理的能力を備えた種である。