African elephant vs Atlantic Bluefin Tuna

Loxodonta africana compared with Thunnus thynnus

Key Differences

  • African elephant is Vulnerable while Atlantic Bluefin Tuna is Least Concern.
  • African elephant is herbivore while Atlantic Bluefin Tuna is carnivore.
  • African elephant is 24.0x heavier than Atlantic Bluefin Tuna.
  • African elephant lives longer (65 years vs 40 years).

Taxonomic Classification

Rank African elephant Atlantic Bluefin Tuna
Kingdom same Animalia (動物) Animalia (動物)
Phylum same Chordata (脊索動物) Chordata (脊索動物)
Class Mammalia (哺乳類) Actinopterygii (Ray-finned Fish)
Order Proboscidea (ゾウ目) Perciformes (ペルカ目)
Family Elephantidae (Elephants) Scombridae (Tunas & Mackerels)
Genus Loxodonta (African Elephants) Thunnus (Tunas)
Species Loxodonta africana Thunnus thynnus

Evolutionary Relationship

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

Conservation Status

African elephant

VU — Vulnerable

Population: ~415.0K

Trend: Decreasing ↓

Atlantic Bluefin Tuna

LC — Least Concern

Trend: Increasing ↑

Physical Characteristics

Attribute African elephant Atlantic Bluefin Tuna
Diet Herbivore Carnivore
Average Lifespan 65 years 40 years
Average Length 6.0 m 2.5 m
Average Weight 6.0 t 250.0 kg

Habitat & Geographic Range

African elephant

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Kenya. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

African elephant

地球上最大の陸上動物であるアフリカゾウは体重7,000 kgに達し、サハラ以南のサバンナ、森林、湿地に生息する。成熟した雌が群れを率いる高度に知的な社会構造を持ち、超低周波音やうなり声、接触によって意思疎通する。木を引き倒したり水飲み場を掘ったり種子を散布したりすることで生態系を形成するエンジニア種だが、象牙の密猟や生息地の喪失により個体数は減少しており、危急(VU)とされている。

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。

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