{
    "river": {
        "name": "L'Ardusson",
        "course_code": "F2040600",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:57:12+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "2080",
            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
            "operation_count": 17,
            "observation_count": 954,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 17,
            "observation_count": 613,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 17,
            "observation_count": 303,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 18,
            "observation_count": 188,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2026
        },
        {
            "species_code": "2012",
            "common_name": "Lamproie de Planer",
            "scientific_name": "Lampetra planeri",
            "operation_count": 16,
            "observation_count": 108,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2026
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
            "operation_count": 11,
            "observation_count": 94,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2022
        },
        {
            "species_code": "2079",
            "common_name": "Chabot indéterminé (Cottus)",
            "scientific_name": "Cottus sp.",
            "operation_count": 1,
            "observation_count": 63,
            "individual_count": null,
            "first_year": 2026,
            "last_year": 2026
        },
        {
            "species_code": "5073",
            "common_name": "Loche indéterminée (Barbatula)",
            "scientific_name": "Barbatula sp.",
            "operation_count": 1,
            "observation_count": 48,
            "individual_count": null,
            "first_year": 2026,
            "last_year": 2026
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
            "operation_count": 10,
            "observation_count": 46,
            "individual_count": null,
            "first_year": 2014,
            "last_year": 2026
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 9,
            "observation_count": 45,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2026
        },
        {
            "species_code": "2124",
            "common_name": "Vairon indéterminé (Phoxinus)",
            "scientific_name": "Phoxinus sp.",
            "operation_count": 1,
            "observation_count": 38,
            "individual_count": null,
            "first_year": 2026,
            "last_year": 2026
        },
        {
            "species_code": "2167",
            "common_name": "Epinochette",
            "scientific_name": "Pungitius pungitius",
            "operation_count": 7,
            "observation_count": 23,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2022
        },
        {
            "species_code": "2166",
            "common_name": "Epinochette indéterminée (Pungitius)",
            "scientific_name": "Pungitius sp.",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2026,
            "last_year": 2026
        },
        {
            "species_code": "2216",
            "common_name": "Truite arc-en-ciel",
            "scientific_name": "Oncorhynchus mykiss",
            "operation_count": 2,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2016
        },
        {
            "species_code": "2088",
            "common_name": "Spirlin",
            "scientific_name": "Alburnoides bipunctatus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2017,
            "last_year": 2017
        },
        {
            "species_code": "2227",
            "common_name": "Saumon de fontaine",
            "scientific_name": "Salvelinus fontinalis",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2011
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2011
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2009
        }
    ]
}