"peix os" meaning in Catalan

{
  "forms": [
    {
      "form": "peixos os",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "+first"
      },
      "expansion": "peix os m (plural peixos os)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "ca",
          "name": "Fish",
          "orig": "ca:Fish",
          "parents": [
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "bonefish (any of varies species in the family Albulidae)"
      ],
      "id": "en-peix_os-ca-noun-Tn5p1ODe",
      "links": [
        [
          "bonefish",
          "bonefish"
        ],
        [
          "Albulidae",
          "Wikispecies:Albulidae"
        ]
      ],
      "related": [
        {
          "word": "peix ossi"
        }
      ],
      "synonyms": [
        {
          "word": "albúlid"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "peix os"
}

{
  "forms": [
    {
      "form": "peixos os",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "+first"
      },
      "expansion": "peix os m (plural peixos os)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "related": [
    {
      "word": "peix ossi"
    }
  ],
  "senses": [
    {
      "categories": [
        "Catalan countable nouns",
        "Catalan entries with incorrect language header",
        "Catalan lemmas",
        "Catalan masculine nouns",
        "Catalan multiword terms",
        "Catalan nouns",
        "Catalan nouns with red links in their headword lines",
        "Entries using missing taxonomic name (family)",
        "Pages with 1 entry",
        "Pages with entries",
        "ca:Fish"
      ],
      "glosses": [
        "bonefish (any of varies species in the family Albulidae)"
      ],
      "links": [
        [
          "bonefish",
          "bonefish"
        ],
        [
          "Albulidae",
          "Wikispecies:Albulidae"
        ]
      ],
      "synonyms": [
        {
          "word": "albúlid"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "peix os"
}