{
    "river": {
        "name": "Ruisseau du Bief",
        "course_code": "R2010500",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:01:56+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 9,
            "observation_count": 544,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 7,
            "observation_count": 351,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2021
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 9,
            "observation_count": 236,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 8,
            "observation_count": 166,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2124",
            "common_name": "Vairon indéterminé (Phoxinus)",
            "scientific_name": "Phoxinus sp.",
            "operation_count": 2,
            "observation_count": 143,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2025
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 5,
            "observation_count": 61,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2021
        },
        {
            "species_code": "2112",
            "common_name": "Goujon indéterminé (Gobio)",
            "scientific_name": "Gobio sp.",
            "operation_count": 2,
            "observation_count": 54,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2025
        },
        {
            "species_code": "2167",
            "common_name": "Epinochette",
            "scientific_name": "Pungitius pungitius",
            "operation_count": 5,
            "observation_count": 49,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2023
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
            "operation_count": 7,
            "observation_count": 23,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2023
        },
        {
            "species_code": "2090",
            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
            "operation_count": 4,
            "observation_count": 23,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2023
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
            "operation_count": 2,
            "observation_count": 17,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2011
        },
        {
            "species_code": "2123",
            "common_name": "Vandoise rostrée",
            "scientific_name": "Leuciscus burdigalensis",
            "operation_count": 2,
            "observation_count": 9,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2021
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
            "operation_count": 5,
            "observation_count": 8,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
            "operation_count": 5,
            "observation_count": 7,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2025
        },
        {
            "species_code": "2086",
            "common_name": "Brème commune",
            "scientific_name": "Abramis brama",
            "operation_count": 1,
            "observation_count": 5,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2019
        },
        {
            "species_code": "2104",
            "common_name": "Hotu",
            "scientific_name": "Chondrostoma nasus",
            "operation_count": 1,
            "observation_count": 5,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2019
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 3,
            "observation_count": 5,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2023
        },
        {
            "species_code": "2099",
            "common_name": "Brème bordelière",
            "scientific_name": "Blicca bjoerkna",
            "operation_count": 1,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2019
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2019
        },
        {
            "species_code": "2080",
            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2017,
            "last_year": 2017
        },
        {
            "species_code": "2028",
            "common_name": "Ecrevisse de Louisiane",
            "scientific_name": "Procambarus clarkii",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2025,
            "last_year": 2025
        }
    ]
}