Black Pacu

{
  "id": "9d24bedc-af7b-430a-929f-06ce54a11326",
  "commonName": "Black Pacu",
  "scientificName": "Colossoma macropomum",
  "slug": "black-pacu",
  "category": "freshwater",
  "aliases": [
    "Tambaqui",
    "Tambacqui",
    "Giant Pacu",
    "Fruit-eating Piranha",
    "Cachama",
    "Black-finned Colossoma"
  ],
  "description": "Often mistaken at first glance for a largemouth bass with a set of human molars, the Black Pacu is a uniquely imposing freshwater giant. This deep-bodied, laterally compressed fish sports a steely grey to near-black coloration on its back, fading to a lighter grey or even faint yellow on its belly. Its most unforgettable feature is a powerful, blunt head and a mouth full of crushing molars, perfectly evolved for demolishing nuts and hard fruits. In its native waters, it can reach staggering proportions, regularly exceeding 30 inches in length and 50 pounds, with true river monsters documented over 80 pounds. The sheer, disk-like bulk of a large pacu in the water is unmistakable.",
  "imageUrl": "https://media.meridiaoutdoors.com/media/species/black-pacu/main.webp",
  "hero": {
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    "altText": "Black Pacu (Colossoma macropomum) watercolor",
    "caption": "Often mistaken at first glance for a largemouth bass with a set of human molars, the Black Pacu is a uniquely imposing freshwater giant.",
    "width": 2400,
    "height": 1340
  },
  "phases": [
    {
      "id": "8e36b94d-f236-4366-847f-476ba7f55db8",
      "name": "Juvenile/Sub-Adult",
      "slug": "juvenile-sub-adult",
      "description": "Young Black Pacu often school in quieter, vegetated backwaters and flooded forests, feeding on insects, zooplankton, and softer plant material as they rapidly grow. This is a phase of vulnerability and explosive growth, where they begin to develop their characteristic deep-bodied shape.",
      "appearance": "Body is deep and laterally compressed but more slender than adults. Coloration is typically a silvery-grey over the entire body, often with numerous small, irregular black spots or mottling scattered along the flanks and back. The belly is a clean, light silver. Fins are generally transparent or slightly dusky. The distinctive blunt head and molar teeth are present but less pronounced.",
      "triggers": null,
      "habitat": "Flooded forests (igapó and várzea), tributary streams, and vegetated shoreline areas in the Amazon and Orinoco basins.",
      "anglersNote": "Less commonly targeted by anglers due to size, but can be caught on small baits. This phase shows the species' potential.",
      "displayOrder": 0,
      "imageUrl": null,
      "media": null
    },
    {
      "id": "323810ad-d865-4963-956f-dd67fe394479",
      "name": "Adult",
      "slug": "adult",
      "description": "The mature Black Pacu is a solitary, powerful wanderer of the main river channels and deep lakes, using its incredible dentition to crush hard nuts and fruits that fall into the water. This is the true river monster phase, where the fish achieves its legendary size and strength.",
      "appearance": "An immensely deep-bodied, disk-shaped fish with a powerful, blunt head. The back is a steely charcoal-grey to near-black. The flanks fade to a lighter gunmetal grey, and the belly is a pale grey, cream, or faint yellowish-silver. The body is typically unspotted, appearing solidly colored. The fins are dark grey to blackish, especially the pectoral, pelvic, and anal fins. The mouth is full of prominent, square, molar-like teeth used for crushing. Can exceed 30 inches in length and weigh over 50 pounds, with a thick, powerful build.",
      "triggers": "Maturation and size, typically triggered by age and seasonal migrations to productive feeding grounds.",
      "habitat": "Main channels of large whitewater rivers (like the Amazon), deep lagoons, and floodplain lakes during the high-water season.",
      "anglersNote": "The premier trophy phase. Catching an adult is a test of heavy tackle, known for dogged, powerful runs. Often targeted with fruit, nuts, or large chunk baits.",
      "displayOrder": 1,
      "imageUrl": null,
      "media": null
    }
  ],
  "contentUpdatedAt": "2026-05-09T22:32:50.911Z"
}

[]

[]

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  "title": null,
  "description": "Black Pacu, also known as Tambaqui, are freshwater giants with human-like molars. Learn about this powerful South American sportfish and how to catch it.",
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  "ogDescription": "The Black Pacu (Tambaqui) is a massive freshwater fish found in South America, known for its powerful jaws and fruit-eating habits. Discover what makes this giant a unique angling challenge.",
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