{
    "river": {
        "name": "Le Rhône",
        "course_code": "V7300501",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-11-09T12:46:47+01:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
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            "observation_count": 576,
            "individual_count": null,
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            "last_year": 2024
        },
        {
            "species_code": "2183",
            "common_name": "Mulet porc",
            "scientific_name": "Liza ramada",
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            "observation_count": 348,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2022
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
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            "observation_count": 333,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
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            "observation_count": 301,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2022
        },
        {
            "species_code": "2129",
            "common_name": "Pseudorasbora",
            "scientific_name": "Pseudorasbora parva",
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            "observation_count": 295,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2099",
            "common_name": "Brème bordelière",
            "scientific_name": "Blicca bjoerkna",
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            "observation_count": 179,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2024
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
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            "observation_count": 123,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2024
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
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            "observation_count": 75,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "20550",
            "common_name": "Carassin argenté",
            "scientific_name": "Carassius gibelio",
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            "observation_count": 72,
            "individual_count": null,
            "first_year": 2014,
            "last_year": 2024
        },
        {
            "species_code": "2208",
            "common_name": "Gambusie de l'ouest",
            "scientific_name": "Gambusia affinis",
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            "observation_count": 49,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2024
        },
        {
            "species_code": "31693",
            "common_name": "Atherine prêtre",
            "scientific_name": "Atherina presbyter",
            "operation_count": 4,
            "observation_count": 44,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2020
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
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            "observation_count": 38,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2131",
            "common_name": "Bouvière",
            "scientific_name": "Rhodeus amarus",
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            "observation_count": 34,
            "individual_count": null,
            "first_year": 2014,
            "last_year": 2022
        },
        {
            "species_code": "2104",
            "common_name": "Hotu",
            "scientific_name": "Chondrostoma nasus",
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            "observation_count": 32,
            "individual_count": null,
            "first_year": 2018,
            "last_year": 2024
        },
        {
            "species_code": "2195",
            "common_name": "Sandre",
            "scientific_name": "Sander lucioperca",
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            "observation_count": 25,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2112",
            "common_name": "Goujon indéterminé (Gobio)",
            "scientific_name": "Gobio sp.",
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            "observation_count": 21,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2238",
            "common_name": "Silure glane",
            "scientific_name": "Silurus glanis",
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            "observation_count": 16,
            "individual_count": null,
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            "last_year": 2022
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
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            "observation_count": 15,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2024
        },
        {
            "species_code": "2102",
            "common_name": "Carassin commun",
            "scientific_name": "Carassius carassius",
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            "observation_count": 11,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2012
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
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            "observation_count": 9,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2022
        },
        {
            "species_code": "2096",
            "common_name": "Barbeau fluviatile",
            "scientific_name": "Barbus barbus",
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            "observation_count": 7,
            "individual_count": null,
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            "last_year": 2018
        },
        {
            "species_code": "2086",
            "common_name": "Brème commune",
            "scientific_name": "Abramis brama",
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            "observation_count": 4,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2185",
            "common_name": "Mulet cabot",
            "scientific_name": "Mugil cephalus",
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            "observation_count": 3,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2022
        },
        {
            "species_code": "2191",
            "common_name": "Grémille",
            "scientific_name": "Gymnocephalus cernua",
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            "observation_count": 3,
            "individual_count": null,
            "first_year": 2018,
            "last_year": 2020
        },
        {
            "species_code": "31135",
            "common_name": "Toxostome",
            "scientific_name": "Parachondrostoma toxostoma",
            "operation_count": 2,
            "observation_count": 3,
            "individual_count": null,
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            "last_year": 2016
        },
        {
            "species_code": "31701",
            "common_name": "Athérine de Boyer",
            "scientific_name": "Atherina boyeri",
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            "observation_count": 2,
            "individual_count": null,
            "first_year": 2022,
            "last_year": 2022
        },
        {
            "species_code": "2137",
            "common_name": "Tanche",
            "scientific_name": "Tinca tinca",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2045",
            "common_name": "Blennie",
            "scientific_name": "Salaria fluviatilis",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2022,
            "last_year": 2022
        },
        {
            "species_code": "2053",
            "common_name": "Black bass à grande bouche",
            "scientific_name": "Micropterus salmoides",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2022,
            "last_year": 2022
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2022,
            "last_year": 2022
        }
    ]
}