{
    "river": {
        "name": "Le Gard",
        "course_code": "V71-0400",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:53:24+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
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            "observation_count": 1045,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2022
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
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            "observation_count": 752,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2026
        },
        {
            "species_code": "2088",
            "common_name": "Spirlin",
            "scientific_name": "Alburnoides bipunctatus",
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            "observation_count": 725,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2026
        },
        {
            "species_code": "2096",
            "common_name": "Barbeau fluviatile",
            "scientific_name": "Barbus barbus",
            "operation_count": 20,
            "observation_count": 641,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2026
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 16,
            "observation_count": 577,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2022
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 17,
            "observation_count": 576,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "25609",
            "common_name": "Blageon",
            "scientific_name": "Telestes souffia",
            "operation_count": 19,
            "observation_count": 540,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2026
        },
        {
            "species_code": "2104",
            "common_name": "Hotu",
            "scientific_name": "Chondrostoma nasus",
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            "observation_count": 420,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
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            "observation_count": 414,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2026
        },
        {
            "species_code": "2090",
            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
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            "observation_count": 363,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2026
        },
        {
            "species_code": "31135",
            "common_name": "Toxostome",
            "scientific_name": "Parachondrostoma toxostoma",
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            "observation_count": 310,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2024
        },
        {
            "species_code": "2124",
            "common_name": "Vairon indéterminé (Phoxinus)",
            "scientific_name": "Phoxinus sp.",
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            "observation_count": 308,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2026
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
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            "observation_count": 225,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2026
        },
        {
            "species_code": "2129",
            "common_name": "Pseudorasbora",
            "scientific_name": "Pseudorasbora parva",
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            "observation_count": 216,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2026
        },
        {
            "species_code": "2112",
            "common_name": "Goujon indéterminé (Gobio)",
            "scientific_name": "Gobio sp.",
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            "observation_count": 162,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2026
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
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            "observation_count": 105,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2026
        },
        {
            "species_code": "2208",
            "common_name": "Gambusie de l'ouest",
            "scientific_name": "Gambusia affinis",
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            "observation_count": 57,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2026
        },
        {
            "species_code": "5073",
            "common_name": "Loche indéterminée (Barbatula)",
            "scientific_name": "Barbatula sp.",
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            "observation_count": 40,
            "individual_count": null,
            "first_year": 2026,
            "last_year": 2026
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
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            "observation_count": 27,
            "individual_count": null,
            "first_year": 2017,
            "last_year": 2025
        },
        {
            "species_code": "2084",
            "common_name": "Cyprinidé indéterminé (Cyprinidae)",
            "scientific_name": "Cyprinidae sp.",
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            "observation_count": 27,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2021
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
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            "observation_count": 24,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2025
        },
        {
            "species_code": "68137",
            "common_name": "Ecrevisse américaine",
            "scientific_name": "Faxonius limosus",
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            "observation_count": 20,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2026
        },
        {
            "species_code": "2238",
            "common_name": "Silure glane",
            "scientific_name": "Silurus glanis",
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            "observation_count": 15,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2024
        },
        {
            "species_code": "2028",
            "common_name": "Ecrevisse de Louisiane",
            "scientific_name": "Procambarus clarkii",
            "operation_count": 5,
            "observation_count": 14,
            "individual_count": null,
            "first_year": 2014,
            "last_year": 2023
        },
        {
            "species_code": "2099",
            "common_name": "Brème bordelière",
            "scientific_name": "Blicca bjoerkna",
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            "observation_count": 13,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2023
        },
        {
            "species_code": "20550",
            "common_name": "Carassin argenté",
            "scientific_name": "Carassius gibelio",
            "operation_count": 4,
            "observation_count": 11,
            "individual_count": null,
            "first_year": 2014,
            "last_year": 2026
        },
        {
            "species_code": "2100",
            "common_name": "Carassin indéterminé (Carassius)",
            "scientific_name": "Carassius sp.",
            "operation_count": 2,
            "observation_count": 11,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2021
        },
        {
            "species_code": "2109",
            "common_name": "Carpe miroir",
            "scientific_name": "Cyprinus carpio",
            "operation_count": 1,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2010,
            "last_year": 2010
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
            "operation_count": 2,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2017
        },
        {
            "species_code": "65080",
            "common_name": "Gambusie de l'est (métropole)",
            "scientific_name": "Gambusia holbrooki",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2021,
            "last_year": 2021
        },
        {
            "species_code": "2191",
            "common_name": "Grémille",
            "scientific_name": "Gymnocephalus cernua",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2026,
            "last_year": 2026
        },
        {
            "species_code": "2102",
            "common_name": "Carassin commun",
            "scientific_name": "Carassius carassius",
            "operation_count": 2,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2011
        },
        {
            "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": 2013,
            "last_year": 2013
        },
        {
            "species_code": "23206",
            "common_name": "Goujon occitan",
            "scientific_name": "Gobio occitaniae",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2026,
            "last_year": 2026
        },
        {
            "species_code": "5205",
            "common_name": "Hybride brème-gardon",
            "scientific_name": "Hybride brème-gardon",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        }
    ]
}