"代用魚" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "代用",
        "2": "だいよう",
        "3": "魚",
        "4": "ぎょ",
        "t1": "",
        "t2": ""
      },
      "expansion": "代用(だいよう) (daiyō) + 魚(ぎょ) (gyo)",
      "name": "ja-compound"
    }
  ],
  "etymology_text": "From 代用(だいよう) (daiyō) + 魚(ぎょ) (gyo).",
  "forms": [
    {
      "form": "代用魚",
      "ruby": [
        [
          "代",
          "だい"
        ],
        [
          "用",
          "よう"
        ],
        [
          "魚",
          "ぎょ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "daiyōgyo",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "だいようぎょ"
      },
      "expansion": "代(だい)用(よう)魚(ぎょ) • (daiyōgyo)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 3 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Fish",
          "orig": "ja:Fish",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Foods",
          "orig": "ja:Foods",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "fish species eaten in place of another species"
      ],
      "id": "en-代用魚-ja-noun-pKAJ60H~",
      "links": [
        [
          "fish",
          "fish"
        ]
      ],
      "synonyms": [
        {
          "roman": "daitaigyo",
          "ruby": [
            [
              "代替魚",
              "だいたいぎょ"
            ]
          ],
          "word": "代替魚"
        }
      ],
      "wikipedia": [
        "ja:代用魚"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[da̠ijo̞ːɡʲo̞]"
    }
  ],
  "word": "代用魚"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "代用",
        "2": "だいよう",
        "3": "魚",
        "4": "ぎょ",
        "t1": "",
        "t2": ""
      },
      "expansion": "代用(だいよう) (daiyō) + 魚(ぎょ) (gyo)",
      "name": "ja-compound"
    }
  ],
  "etymology_text": "From 代用(だいよう) (daiyō) + 魚(ぎょ) (gyo).",
  "forms": [
    {
      "form": "代用魚",
      "ruby": [
        [
          "代",
          "だい"
        ],
        [
          "用",
          "よう"
        ],
        [
          "魚",
          "ぎょ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "daiyōgyo",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "だいようぎょ"
      },
      "expansion": "代(だい)用(よう)魚(ぎょ) • (daiyōgyo)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with 3 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation missing pitch accent",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Fish",
        "ja:Foods"
      ],
      "glosses": [
        "fish species eaten in place of another species"
      ],
      "links": [
        [
          "fish",
          "fish"
        ]
      ],
      "wikipedia": [
        "ja:代用魚"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[da̠ijo̞ːɡʲo̞]"
    }
  ],
  "synonyms": [
    {
      "roman": "daitaigyo",
      "ruby": [
        [
          "代替魚",
          "だいたいぎょ"
        ]
      ],
      "word": "代替魚"
    }
  ],
  "word": "代用魚"
}