{
    "river": {
        "name": "l'Yerre",
        "course_code": "M1114000",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:45:01+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": 1,
            "observation_count": 79,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 1,
            "observation_count": 60,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 1,
            "observation_count": 46,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 1,
            "observation_count": 31,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
            "operation_count": 1,
            "observation_count": 30,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "2167",
            "common_name": "Epinochette",
            "scientific_name": "Pungitius pungitius",
            "operation_count": 1,
            "observation_count": 30,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 1,
            "observation_count": 16,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 1,
            "observation_count": 14,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "68137",
            "common_name": "Ecrevisse américaine",
            "scientific_name": "Faxonius limosus",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        }
    ]
}