{
    "river": {
        "name": "L'Ardière",
        "course_code": "U4500500",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:01:05+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 10,
            "observation_count": 1386,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "25609",
            "common_name": "Blageon",
            "scientific_name": "Telestes souffia",
            "operation_count": 10,
            "observation_count": 1102,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 10,
            "observation_count": 763,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 10,
            "observation_count": 582,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 8,
            "observation_count": 107,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2025
        },
        {
            "species_code": "2129",
            "common_name": "Pseudorasbora",
            "scientific_name": "Pseudorasbora parva",
            "operation_count": 8,
            "observation_count": 88,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2025
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 8,
            "observation_count": 80,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2023
        },
        {
            "species_code": "873",
            "common_name": "Ecrevisse signal",
            "scientific_name": "Pacifastacus leniusculus",
            "operation_count": 2,
            "observation_count": 15,
            "individual_count": null,
            "first_year": 2015,
            "last_year": 2019
        },
        {
            "species_code": "68137",
            "common_name": "Ecrevisse américaine",
            "scientific_name": "Faxonius limosus",
            "operation_count": 3,
            "observation_count": 14,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2017
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 4,
            "observation_count": 6,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2013
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
            "operation_count": 2,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2023
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
            "operation_count": 2,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2025
        }
    ]
}