Atlantic Bluefin Tuna vs jaguar

Thunnus thynnus compared with Panthera onca

Key Differences

  • Atlantic Bluefin Tuna is Least Concern while jaguar is Near Threatened.
  • Atlantic Bluefin Tuna is 2.5x heavier than jaguar.
  • Atlantic Bluefin Tuna lives longer (40 years vs 15 years).

Taxonomic Classification

Rank Atlantic Bluefin Tuna jaguar
Kingdom same Animalia (動物) Animalia (動物)
Phylum same Chordata (脊索動物) Chordata (脊索動物)
Class Actinopterygii (Ray-finned Fish) Mammalia (哺乳類)
Order Perciformes (ペルカ目) Carnivora (ネコ目)
Family Scombridae (Tunas & Mackerels) Felidae (Cats)
Genus Thunnus (Tunas) Panthera (Big Cats)
Species Thunnus thynnus Panthera onca

Evolutionary Relationship

Atlantic Bluefin Tuna and jaguar share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Atlantic Bluefin Tuna

LC — Least Concern

Trend: Increasing ↑

jaguar

NT — Near Threatened

Population: ~64.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute Atlantic Bluefin Tuna jaguar
Diet Carnivore Carnivore
Average Lifespan 40 years 15 years
Average Length 2.5 m 1.9 m
Average Weight 250.0 kg 100.0 kg

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.

jaguar

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 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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。

jaguar

アメリカ大陸最大のネコ科動物で、体重は最大100kgに達し、がっしりとした筋肉質の体型と特有のロゼット模様の毛皮を持つ。メキシコから南アメリカにかけて分布し、アマゾンやパンタナルが主要生息地となる。優れた水泳能力を持つ頂点捕食者であり、獲物個体数の調節に重要な役割を担う。森林破壊により生息域が縮小し、準絶滅危惧に分類されている。

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