{
    "river": {
        "name": "La Boutonne",
        "course_code": "R6--0250",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:45:04+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "common_name": "Epinoche",
            "scientific_name": "Gasterosteus aculeatus",
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            "observation_count": 309,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
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            "observation_count": 263,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2028",
            "common_name": "Ecrevisse de Louisiane",
            "scientific_name": "Procambarus clarkii",
            "operation_count": 9,
            "observation_count": 126,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
            "operation_count": 9,
            "observation_count": 101,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
            "operation_count": 8,
            "observation_count": 72,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2023
        },
        {
            "species_code": "2099",
            "common_name": "Brème bordelière",
            "scientific_name": "Blicca bjoerkna",
            "operation_count": 5,
            "observation_count": 30,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2020
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
            "operation_count": 8,
            "observation_count": 29,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2177",
            "common_name": "Poisson-chat",
            "scientific_name": "Ameiurus melas",
            "operation_count": 4,
            "observation_count": 26,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2014
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
            "operation_count": 6,
            "observation_count": 24,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2024
        },
        {
            "species_code": "2208",
            "common_name": "Gambusie de l'ouest",
            "scientific_name": "Gambusia affinis",
            "operation_count": 3,
            "observation_count": 22,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2024
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
            "operation_count": 4,
            "observation_count": 17,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 6,
            "observation_count": 12,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2024
        },
        {
            "species_code": "2183",
            "common_name": "Mulet porc",
            "scientific_name": "Liza ramada",
            "operation_count": 5,
            "observation_count": 10,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2016
        },
        {
            "species_code": "2131",
            "common_name": "Bouvière",
            "scientific_name": "Rhodeus amarus",
            "operation_count": 3,
            "observation_count": 9,
            "individual_count": null,
            "first_year": 2018,
            "last_year": 2024
        },
        {
            "species_code": "2090",
            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
            "operation_count": 3,
            "observation_count": 9,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2024
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
            "operation_count": 4,
            "observation_count": 8,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2023
        },
        {
            "species_code": "2102",
            "common_name": "Carassin commun",
            "scientific_name": "Carassius carassius",
            "operation_count": 1,
            "observation_count": 7,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2012
        },
        {
            "species_code": "2203",
            "common_name": "Flet commun",
            "scientific_name": "Platichthys flesus",
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            "observation_count": 7,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2012
        },
        {
            "species_code": "2086",
            "common_name": "Brème commune",
            "scientific_name": "Abramis brama",
            "operation_count": 3,
            "observation_count": 5,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2020
        },
        {
            "species_code": "2129",
            "common_name": "Pseudorasbora",
            "scientific_name": "Pseudorasbora parva",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2023
        },
        {
            "species_code": "2053",
            "common_name": "Black bass à grande bouche",
            "scientific_name": "Micropterus salmoides",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2010
        },
        {
            "species_code": "2191",
            "common_name": "Grémille",
            "scientific_name": "Gymnocephalus cernua",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2012
        },
        {
            "species_code": "2238",
            "common_name": "Silure glane",
            "scientific_name": "Silurus glanis",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2018,
            "last_year": 2018
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2010
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2016,
            "last_year": 2016
        },
        {
            "species_code": "2137",
            "common_name": "Tanche",
            "scientific_name": "Tinca tinca",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2023
        },
        {
            "species_code": "2205",
            "common_name": "Plie commune",
            "scientific_name": "Pleuronectes platessa",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2016,
            "last_year": 2016
        }
    ]
}