"blind shark" meaning in English

{
  "etymology_text": "Erroneously so named because they close their eyes tightly when taken out of the water; not actually blind.",
  "forms": [
    {
      "form": "blind sharks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "blind shark (plural blind sharks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "87 13",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "84 16",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "90 10",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "93 7",
          "kind": "lifeform",
          "langcode": "en",
          "name": "Sharks",
          "orig": "en:Sharks",
          "parents": [
            "Fish",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Either of two bottom-dwelling sharks constituting the family Brachaeluridae."
      ],
      "id": "en-blind_shark-en-noun-btaGmIlt",
      "links": [
        [
          "bottom-dwelling",
          "bottom-dwelling"
        ],
        [
          "shark",
          "shark"
        ]
      ]
    },
    {
      "categories": [],
      "glosses": [
        "Brachaelurus waddi, of eastern Australia."
      ],
      "id": "en-blind_shark-en-noun-JHmEUsFY"
    }
  ],
  "word": "blind shark"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Sharks"
  ],
  "etymology_text": "Erroneously so named because they close their eyes tightly when taken out of the water; not actually blind.",
  "forms": [
    {
      "form": "blind sharks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "blind shark (plural blind sharks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Entries using missing taxonomic name (family)"
      ],
      "glosses": [
        "Either of two bottom-dwelling sharks constituting the family Brachaeluridae."
      ],
      "links": [
        [
          "bottom-dwelling",
          "bottom-dwelling"
        ],
        [
          "shark",
          "shark"
        ]
      ]
    },
    {
      "categories": [
        "Entries using missing taxonomic name (species)"
      ],
      "glosses": [
        "Brachaelurus waddi, of eastern Australia."
      ]
    }
  ],
  "word": "blind shark"
}