"sand darter" meaning in English

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      "form": "sand darters",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Perch and darters",
          "orig": "en:Perch and darters",
          "parents": [
            "Percoid fish",
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      ],
      "derived": [
        {
          "taxonomic": "Ammocrypta pellucida",
          "word": "eastern sand darter"
        },
        {
          "taxonomic": "Ammocrypta bifascia",
          "word": "Florida sand darter"
        },
        {
          "taxonomic": "Ammocrypta beanii",
          "word": "naked sand darter"
        },
        {
          "taxonomic": "Ammocrypta vivax",
          "word": "scaly sand darter"
        },
        {
          "taxonomic": "Ammocrypta meridiana",
          "word": "southern sand darter"
        },
        {
          "taxonomic": "Ammocrypta clara",
          "word": "western sand darter"
        }
      ],
      "examples": [
        {
          "ref": "2015, Robert A. Kuehne, The American Darters, page 25",
          "text": "Ammocrypta is the smallest genus of darters and in many respects is the most distinctive. We refer to them collectively as the sand darters, though some authorities would exclude the crystal darter.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Any of the small perches of the genus Ammocrypta."
      ],
      "id": "en-sand_darter-en-noun-SXIjdwOR",
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          "perch",
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  ],
  "word": "sand darter"
}

{
  "derived": [
    {
      "taxonomic": "Ammocrypta pellucida",
      "word": "eastern sand darter"
    },
    {
      "taxonomic": "Ammocrypta bifascia",
      "word": "Florida sand darter"
    },
    {
      "taxonomic": "Ammocrypta beanii",
      "word": "naked sand darter"
    },
    {
      "taxonomic": "Ammocrypta vivax",
      "word": "scaly sand darter"
    },
    {
      "taxonomic": "Ammocrypta meridiana",
      "word": "southern sand darter"
    },
    {
      "taxonomic": "Ammocrypta clara",
      "word": "western sand darter"
    }
  ],
  "forms": [
    {
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      "tags": [
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  "lang_code": "en",
  "pos": "noun",
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          "ref": "2015, Robert A. Kuehne, The American Darters, page 25",
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          "type": "quotation"
        }
      ],
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        "Any of the small perches of the genus Ammocrypta."
      ],
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  "word": "sand darter"
}