{
  "@context": "https://schema.org",
  "@type": "Taxon",
  "slug": "bluefin-tuna",
  "name": "Atlantic Bluefin Tuna",
  "scientificName": "Thunnus thynnus",
  "category": "Fish",
  "summary": "The Atlantic bluefin tuna (Thunnus thynnus) is a powerful, warm-blooded fish built for speed, reaching about 3 m (10 ft) long and up to 450 kg (990 lb). It swims across the open Atlantic and Mediterranean at bursts of up to 70 km/h (43 mph), hunting fish and squid. Bluefin are among the longest-lived tuna, surviving 35 to 50 years. The IUCN lists the species as Least Concern.",
  "conservationStatus": "Least Concern",
  "taxonomy": {
    "kingdom": "Animalia",
    "phylum": "Chordata",
    "class": "Actinopterygii",
    "order": "Scombriformes",
    "family": "Scombridae",
    "genus": "Thunnus"
  },
  "stats": {
    "weightKg": 450,
    "lengthM": 3,
    "topSpeedKmh": 70,
    "lifespanYears": 45
  },
  "facts": [
    {
      "label": "Scientific name",
      "value": "Thunnus thynnus"
    },
    {
      "label": "Diet",
      "value": "Carnivore (fish and squid)"
    },
    {
      "label": "Habitat",
      "value": "Open Atlantic Ocean and Mediterranean Sea"
    },
    {
      "label": "Lifespan",
      "value": "35–50 years"
    },
    {
      "label": "Length",
      "value": "2–3 m (6.5–10 ft)"
    },
    {
      "label": "Top speed",
      "value": "Up to 70 km/h (43 mph)"
    },
    {
      "label": "Conservation status",
      "value": "Least Concern (IUCN)"
    }
  ],
  "range": {
    "nativeRange": "Open waters of the Atlantic Ocean and Mediterranean Sea, migrating between cold feeding grounds and warm spawning areas.",
    "continents": [
      "Oceans"
    ]
  },
  "sources": [
    {
      "citation": "IUCN Red List — Thunnus thynnus.",
      "url": "https://www.iucnredlist.org/search?query=Thunnus%20thynnus&searchType=species"
    },
    {
      "citation": "Animal Diversity Web — Thunnus thynnus. University of Michigan Museum of Zoology.",
      "url": "https://animaldiversity.org/accounts/Thunnus_thynnus/"
    },
    {
      "citation": "Wikipedia — Atlantic Bluefin Tuna.",
      "url": "https://en.wikipedia.org/wiki/Atlantic_bluefin_tuna"
    }
  ],
  "lastReviewed": "2026-07-16",
  "canonicalUrl": "https://globalanimalguide.org/animals/bluefin-tuna/",
  "license": {
    "name": "CC BY-NC 4.0",
    "url": "https://creativecommons.org/licenses/by-nc/4.0/",
    "attribution": "Global Animal Guide — https://globalanimalguide.org/animals/bluefin-tuna/",
    "note": "Free to reuse for non-commercial purposes with attribution and a link back to the canonical page."
  }
}