{
    "river": {
        "name": "l'Usure",
        "course_code": "M3744000",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:00:02+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
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            "observation_count": 137,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2021
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
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            "observation_count": 79,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2021
        },
        {
            "species_code": "2167",
            "common_name": "Epinochette",
            "scientific_name": "Pungitius pungitius",
            "operation_count": 3,
            "observation_count": 32,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2021
        },
        {
            "species_code": "2086",
            "common_name": "Brème commune",
            "scientific_name": "Abramis brama",
            "operation_count": 1,
            "observation_count": 30,
            "individual_count": null,
            "first_year": 2021,
            "last_year": 2021
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
            "operation_count": 3,
            "observation_count": 27,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2021
        },
        {
            "species_code": "2137",
            "common_name": "Tanche",
            "scientific_name": "Tinca tinca",
            "operation_count": 3,
            "observation_count": 23,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2021
        },
        {
            "species_code": "2084",
            "common_name": "Cyprinidé indéterminé (Cyprinidae)",
            "scientific_name": "Cyprinidae sp.",
            "operation_count": 1,
            "observation_count": 22,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2020
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 3,
            "observation_count": 20,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2021
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 2,
            "observation_count": 18,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2021
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
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            "observation_count": 15,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2021
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
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            "observation_count": 12,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2021
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
            "operation_count": 2,
            "observation_count": 9,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2020
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
            "operation_count": 1,
            "observation_count": 8,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "2090",
            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
            "operation_count": 2,
            "observation_count": 8,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2021
        },
        {
            "species_code": "2117",
            "common_name": "Able de Heckel",
            "scientific_name": "Leucaspius delineatus",
            "operation_count": 2,
            "observation_count": 7,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2021
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
            "operation_count": 3,
            "observation_count": 5,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2021
        },
        {
            "species_code": "20550",
            "common_name": "Carassin argenté",
            "scientific_name": "Carassius gibelio",
            "operation_count": 1,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "2099",
            "common_name": "Brème bordelière",
            "scientific_name": "Blicca bjoerkna",
            "operation_count": 1,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        },
        {
            "species_code": "2109",
            "common_name": "Carpe miroir",
            "scientific_name": "Cyprinus carpio",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2021,
            "last_year": 2021
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        }
    ]
}