{
  "taxon_key": "worms:158837",
  "slug": "worms-158837",
  "scientific_name": "Argyropelecus sladeni",
  "common_name": "Lowcrest hatchetfish",
  "rank": "Species",
  "rank_order": 43,
  "taxonomic_status": "accepted",
  "status_checked": "2026-08-05",
  "parent_taxon_key": "worms:126196",
  "lineage": {
    "kingdom": "Animalia",
    "phylum": "Chordata",
    "class": "Teleostei",
    "order": "Stomiiformes",
    "family": "Sternoptychidae"
  },
  "ids": {
    "worms_id": 158837,
    "itis_id": 162221,
    "gbif_id": 2347588,
    "ncbi_id": null,
    "inat_id": null
  },
  "groups": [],
  "notes": "2026-08-05: itis_id 162221 via WoRMS external link",
  "direct": {
    "n_obs": 2453,
    "n_samples": 2453,
    "n_datasets": 2,
    "year_min": 1959,
    "year_max": 2023,
    "life_stages": [
      "larva"
    ]
  },
  "rollup": {
    "n_obs": 2453,
    "n_taxa": 1,
    "n_species": 1,
    "n_datasets": 2,
    "year_min": 1959,
    "year_max": 2023
  },
  "datasets": [
    {
      "dataset_key": "swfsc_ichthyo",
      "n_obs": 2398,
      "n_samples": 2398,
      "year_min": 1959,
      "year_max": 2023,
      "life_stages": [
        "larva"
      ],
      "years": {
        "1959": 18,
        "1960": 25,
        "1961": 18,
        "1962": 6,
        "1963": 25,
        "1964": 20,
        "1965": 18,
        "1966": 76,
        "1967": 11,
        "1968": 9,
        "1969": 251,
        "1972": 159,
        "1974": 38,
        "1975": 168,
        "1977": 5,
        "1978": 239,
        "1979": 26,
        "1980": 4,
        "1981": 55,
        "1982": 1,
        "1983": 19,
        "1984": 55,
        "1985": 7,
        "1986": 15,
        "1987": 32,
        "1988": 34,
        "1989": 17,
        "1990": 30,
        "1991": 50,
        "1992": 20,
        "1993": 35,
        "1994": 47,
        "1995": 21,
        "1996": 31,
        "1997": 7,
        "1998": 56,
        "1999": 20,
        "2000": 48,
        "2001": 9,
        "2002": 36,
        "2003": 25,
        "2004": 34,
        "2005": 42,
        "2006": 46,
        "2007": 8,
        "2008": 8,
        "2009": 32,
        "2010": 34,
        "2011": 38,
        "2012": 46,
        "2013": 70,
        "2014": 46,
        "2015": 53,
        "2016": 51,
        "2017": 21,
        "2018": 25,
        "2019": 17,
        "2020": 9,
        "2021": 13,
        "2022": 4,
        "2023": 15
      },
      "sources": [
        {
          "name": "Argyropelecus sladeni",
          "common_name": "Lowcrest hatchetfish",
          "code": "105",
          "ids": {
            "worms_id": 158837,
            "itis_id": 162221,
            "gbif_id": 2347588
          },
          "flags": []
        }
      ]
    },
    {
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      "year_max": 2012,
      "life_stages": [],
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      },
      "sources": [
        {
          "name": "Argyropelecus sladeni",
          "common_name": null,
          "code": "Argyropelecus sladeni",
          "ids": {
            "worms_id": 158837,
            "itis_id": null,
            "gbif_id": null
          },
          "flags": []
        }
      ]
    }
  ]
}