{
    "river": {
        "name": "Le Dadou",
        "course_code": "O47-0400",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:56:58+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 20,
            "observation_count": 1846,
            "individual_count": null,
            "first_year": 1991,
            "last_year": 2023
        },
        {
            "species_code": "873",
            "common_name": "Ecrevisse signal",
            "scientific_name": "Pacifastacus leniusculus",
            "operation_count": 17,
            "observation_count": 544,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2023
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 17,
            "observation_count": 374,
            "individual_count": null,
            "first_year": 1991,
            "last_year": 2025
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 10,
            "observation_count": 219,
            "individual_count": null,
            "first_year": 2005,
            "last_year": 2023
        },
        {
            "species_code": "2012",
            "common_name": "Lamproie de Planer",
            "scientific_name": "Lampetra planeri",
            "operation_count": 15,
            "observation_count": 165,
            "individual_count": null,
            "first_year": 2005,
            "last_year": 2025
        },
        {
            "species_code": "2124",
            "common_name": "Vairon indéterminé (Phoxinus)",
            "scientific_name": "Phoxinus sp.",
            "operation_count": 4,
            "observation_count": 141,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2025
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 10,
            "observation_count": 124,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2023
        },
        {
            "species_code": "23206",
            "common_name": "Goujon occitan",
            "scientific_name": "Gobio occitaniae",
            "operation_count": 2,
            "observation_count": 52,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2015
        },
        {
            "species_code": "2112",
            "common_name": "Goujon indéterminé (Gobio)",
            "scientific_name": "Gobio sp.",
            "operation_count": 3,
            "observation_count": 29,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2015
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
            "operation_count": 1,
            "observation_count": 27,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2023
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2013
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2023
        }
    ]
}