{
  "taxon_key": "worms:272927",
  "slug": "worms-272927",
  "scientific_name": "Nansenia crassa",
  "common_name": "Stout argentine",
  "rank": "Species",
  "rank_order": 43,
  "taxonomic_status": "accepted",
  "status_checked": "2026-08-05",
  "parent_taxon_key": "worms:125893",
  "lineage": {
    "kingdom": "Animalia",
    "phylum": "Chordata",
    "class": "Teleostei",
    "order": "Argentiniformes",
    "family": "Microstomatidae"
  },
  "ids": {
    "worms_id": 272927,
    "itis_id": 623630,
    "gbif_id": 5214220,
    "ncbi_id": null,
    "inat_id": null
  },
  "groups": [],
  "notes": "2026-08-05: itis_id 623630 via WoRMS external link",
  "direct": {
    "n_obs": 865,
    "n_samples": 865,
    "n_datasets": 2,
    "year_min": 1951,
    "year_max": 2022,
    "life_stages": [
      "larva"
    ]
  },
  "rollup": {
    "n_obs": 865,
    "n_taxa": 1,
    "n_species": 1,
    "n_datasets": 2,
    "year_min": 1951,
    "year_max": 2022
  },
  "datasets": [
    {
      "dataset_key": "swfsc_ichthyo",
      "n_obs": 863,
      "n_samples": 863,
      "year_min": 1951,
      "year_max": 2022,
      "life_stages": [
        "larva"
      ],
      "years": {
        "1951": 50,
        "1952": 63,
        "1953": 65,
        "1954": 47,
        "1955": 61,
        "1956": 32,
        "1957": 74,
        "1958": 49,
        "1959": 27,
        "1960": 37,
        "1961": 29,
        "1962": 15,
        "1963": 29,
        "1964": 33,
        "1965": 22,
        "1966": 43,
        "1967": 8,
        "1968": 1,
        "1969": 40,
        "1972": 40,
        "1974": 8,
        "1975": 18,
        "1978": 24,
        "1980": 4,
        "1981": 13,
        "1994": 1,
        "1998": 2,
        "1999": 1,
        "2000": 5,
        "2003": 3,
        "2005": 1,
        "2006": 1,
        "2013": 1,
        "2014": 1,
        "2015": 4,
        "2016": 5,
        "2017": 1,
        "2018": 1,
        "2021": 1,
        "2022": 3
      },
      "sources": [
        {
          "name": "Nansenia crassa",
          "common_name": "Stout argentine",
          "code": "63",
          "ids": {
            "worms_id": 272927,
            "itis_id": 623630,
            "gbif_id": 5214220
          },
          "flags": []
        }
      ]
    },
    {
      "dataset_key": "sio_mesopelagic-fish",
      "n_obs": 2,
      "n_samples": 2,
      "year_min": 2011,
      "year_max": 2011,
      "life_stages": [],
      "years": {
        "2011": 2
      },
      "sources": [
        {
          "name": "Nansenia crassa",
          "common_name": null,
          "code": "Nansenia crassa",
          "ids": {
            "worms_id": 272927,
            "itis_id": null,
            "gbif_id": null
          },
          "flags": []
        }
      ]
    }
  ]
}