"red-bellied piranha" meaning in English

{
  "forms": [
    {
      "form": "red-bellied piranhas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "red-bellied piranha (plural red-bellied piranhas)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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        },
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          "name": "Entries with translation boxes",
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        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
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        },
        {
          "kind": "other",
          "name": "Terms with Japanese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Portuguese translations",
          "parents": [],
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        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Vietnamese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Characins",
          "orig": "en:Characins",
          "parents": [
            "Fish",
            "Otocephalan fish",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of species Pygocentrus nattereri, of piranhas native to South America."
      ],
      "id": "en-red-bellied_piranha-en-noun-IrqTfXwQ",
      "links": [
        [
          "species",
          "species"
        ],
        [
          "piranha",
          "piranha"
        ],
        [
          "South America",
          "South America"
        ]
      ],
      "synonyms": [
        {
          "word": "red piranha"
        }
      ],
      "translations": [
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "the fish",
          "word": "roodbuikpiranha"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "the fish",
          "word": "Natterers Sägesalmler"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "pirania natterī",
          "sense": "the fish",
          "word": "ピラニア・ナッテリー"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "the fish",
          "word": "pirania natterera"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "the fish",
          "tags": [
            "feminine"
          ],
          "word": "piranha-vermelha"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "obyknovénnaja piránʹja",
          "sense": "the fish",
          "tags": [
            "feminine"
          ],
          "word": "обыкнове́нная пира́нья"
        },
        {
          "code": "vi",
          "lang": "Vietnamese",
          "sense": "the fish",
          "word": "piranha bụng đỏ"
        }
      ]
    }
  ],
  "word": "red-bellied piranha"
}

{
  "forms": [
    {
      "form": "red-bellied piranhas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "red-bellied piranha (plural red-bellied piranhas)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
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        "English multiword terms",
        "English nouns",
        "Entries using missing taxonomic name (species)",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Dutch translations",
        "Terms with German translations",
        "Terms with Japanese translations",
        "Terms with Polish translations",
        "Terms with Portuguese translations",
        "Terms with Russian translations",
        "Terms with Vietnamese translations",
        "en:Characins"
      ],
      "glosses": [
        "Any of species Pygocentrus nattereri, of piranhas native to South America."
      ],
      "links": [
        [
          "species",
          "species"
        ],
        [
          "piranha",
          "piranha"
        ],
        [
          "South America",
          "South America"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "red piranha"
    }
  ],
  "translations": [
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "the fish",
      "word": "roodbuikpiranha"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "the fish",
      "word": "Natterers Sägesalmler"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "pirania natterī",
      "sense": "the fish",
      "word": "ピラニア・ナッテリー"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "the fish",
      "word": "pirania natterera"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "the fish",
      "tags": [
        "feminine"
      ],
      "word": "piranha-vermelha"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "obyknovénnaja piránʹja",
      "sense": "the fish",
      "tags": [
        "feminine"
      ],
      "word": "обыкнове́нная пира́нья"
    },
    {
      "code": "vi",
      "lang": "Vietnamese",
      "sense": "the fish",
      "word": "piranha bụng đỏ"
    }
  ],
  "word": "red-bellied piranha"
}