{
  "taxon_key": "worms:127307",
  "slug": "worms-127307",
  "scientific_name": "Argyropelecus affinis",
  "common_name": "Slender 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": 127307,
    "itis_id": 162216,
    "gbif_id": 2347596,
    "ncbi_id": null,
    "inat_id": null
  },
  "groups": [],
  "notes": "2026-08-05: itis_id 162216 via WoRMS external link",
  "direct": {
    "n_obs": 1033,
    "n_samples": 1033,
    "n_datasets": 2,
    "year_min": 1959,
    "year_max": 2023,
    "life_stages": [
      "larva"
    ]
  },
  "rollup": {
    "n_obs": 1033,
    "n_taxa": 1,
    "n_species": 1,
    "n_datasets": 2,
    "year_min": 1959,
    "year_max": 2023
  },
  "datasets": [
    {
      "dataset_key": "swfsc_ichthyo",
      "n_obs": 1014,
      "n_samples": 1014,
      "year_min": 1959,
      "year_max": 2023,
      "life_stages": [
        "larva"
      ],
      "years": {
        "1959": 3,
        "1960": 10,
        "1961": 6,
        "1962": 8,
        "1963": 3,
        "1964": 12,
        "1965": 6,
        "1966": 29,
        "1967": 4,
        "1968": 4,
        "1969": 108,
        "1972": 47,
        "1974": 15,
        "1975": 81,
        "1977": 2,
        "1978": 88,
        "1979": 24,
        "1980": 2,
        "1981": 37,
        "1982": 5,
        "1983": 8,
        "1984": 38,
        "1985": 1,
        "1986": 7,
        "1987": 13,
        "1988": 12,
        "1989": 6,
        "1990": 10,
        "1991": 17,
        "1992": 19,
        "1993": 19,
        "1994": 12,
        "1995": 7,
        "1996": 22,
        "1997": 3,
        "1998": 16,
        "1999": 5,
        "2000": 6,
        "2001": 5,
        "2002": 5,
        "2003": 3,
        "2004": 12,
        "2005": 11,
        "2006": 10,
        "2007": 5,
        "2008": 8,
        "2009": 10,
        "2010": 10,
        "2011": 13,
        "2012": 22,
        "2013": 23,
        "2014": 26,
        "2015": 42,
        "2016": 16,
        "2017": 22,
        "2018": 14,
        "2019": 16,
        "2020": 2,
        "2021": 12,
        "2022": 7,
        "2023": 5
      },
      "sources": [
        {
          "name": "Argyropelecus affinis",
          "common_name": "Slender hatchetfish",
          "code": "103",
          "ids": {
            "worms_id": 127307,
            "itis_id": 162216,
            "gbif_id": 2347596
          },
          "flags": []
        }
      ]
    },
    {
      "dataset_key": "sio_mesopelagic-fish",
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      "n_samples": 19,
      "year_min": 2010,
      "year_max": 2012,
      "life_stages": [],
      "years": {
        "2010": 5,
        "2011": 8,
        "2012": 6
      },
      "sources": [
        {
          "name": "Argyropelecus affinis",
          "common_name": null,
          "code": "Argyropelecus affinis",
          "ids": {
            "worms_id": 127307,
            "itis_id": null,
            "gbif_id": null
          },
          "flags": []
        }
      ]
    }
  ]
}