"rough fish" meaning in English

{
  "forms": [
    {
      "form": "rough fish",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "rough fish"
      },
      "expansion": "rough fish (usually uncountable, plural rough fish)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Fish",
          "orig": "en:Fish",
          "parents": [
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any fish not considered valuable as sport fish nor used as bait or for food."
      ],
      "id": "en-rough_fish-en-noun-hWOask~M",
      "links": [
        [
          "sport fish",
          "sport fish"
        ],
        [
          "bait",
          "bait"
        ]
      ],
      "synonyms": [
        {
          "word": "garbage fish"
        },
        {
          "word": "junk fish"
        },
        {
          "word": "trash fish"
        }
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "fish regarded as having no value to humans",
          "word": "roskakala"
        }
      ]
    }
  ],
  "word": "rough fish"
}

{
  "forms": [
    {
      "form": "rough fish",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "rough fish"
      },
      "expansion": "rough fish (usually uncountable, plural rough fish)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "en:Fish"
      ],
      "glosses": [
        "Any fish not considered valuable as sport fish nor used as bait or for food."
      ],
      "links": [
        [
          "sport fish",
          "sport fish"
        ],
        [
          "bait",
          "bait"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "garbage fish"
    },
    {
      "word": "junk fish"
    },
    {
      "word": "trash fish"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "fish regarded as having no value to humans",
      "word": "roskakala"
    }
  ],
  "word": "rough fish"
}