{
    "river": {
        "name": "La Siagne",
        "course_code": "Y55-0400",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-11-09T12:24:33+01:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "scientific_name": "Leuciscus cephalus",
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            "observation_count": 571,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2208",
            "common_name": "Gambusie de l'ouest",
            "scientific_name": "Gambusia affinis",
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            "observation_count": 374,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2024
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
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            "observation_count": 369,
            "individual_count": null,
            "first_year": 1993,
            "last_year": 2024
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
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            "observation_count": 363,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2038",
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            "observation_count": 332,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
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            "observation_count": 190,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "20550",
            "common_name": "Carassin argenté",
            "scientific_name": "Carassius gibelio",
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            "observation_count": 173,
            "individual_count": null,
            "first_year": 2017,
            "last_year": 2024
        },
        {
            "species_code": "2137",
            "common_name": "Tanche",
            "scientific_name": "Tinca tinca",
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            "observation_count": 153,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
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            "observation_count": 142,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2024
        },
        {
            "species_code": "2112",
            "common_name": "Goujon indéterminé (Gobio)",
            "scientific_name": "Gobio sp.",
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            "observation_count": 59,
            "individual_count": null,
            "first_year": 2025,
            "last_year": 2025
        },
        {
            "species_code": "2124",
            "common_name": "Vairon indéterminé (Phoxinus)",
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            "observation_count": 57,
            "individual_count": null,
            "first_year": 2025,
            "last_year": 2025
        },
        {
            "species_code": "2102",
            "common_name": "Carassin commun",
            "scientific_name": "Carassius carassius",
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            "observation_count": 51,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2021
        },
        {
            "species_code": "65080",
            "common_name": "Gambusie de l'est (métropole)",
            "scientific_name": "Gambusia holbrooki",
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            "observation_count": 30,
            "individual_count": null,
            "first_year": 2025,
            "last_year": 2025
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
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            "observation_count": 22,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2023
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
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            "observation_count": 22,
            "individual_count": null,
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            "last_year": 1993
        },
        {
            "species_code": "2238",
            "common_name": "Silure glane",
            "scientific_name": "Silurus glanis",
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            "observation_count": 16,
            "individual_count": null,
            "first_year": 2021,
            "last_year": 2025
        },
        {
            "species_code": "2207",
            "common_name": "Gambusie indéterminée (Gambusia)",
            "scientific_name": "Gambusia sp.",
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            "observation_count": 15,
            "individual_count": null,
            "first_year": 2021,
            "last_year": 2021
        },
        {
            "species_code": "68137",
            "common_name": "Ecrevisse américaine",
            "scientific_name": "Faxonius limosus",
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            "observation_count": 12,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2025
        },
        {
            "species_code": "2097",
            "common_name": "Barbeau méridional",
            "scientific_name": "Barbus meridionalis",
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            "observation_count": 9,
            "individual_count": null,
            "first_year": 1993,
            "last_year": 2015
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
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            "observation_count": 8,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
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            "observation_count": 7,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2019
        },
        {
            "species_code": "2090",
            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
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            "observation_count": 4,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2024
        },
        {
            "species_code": "2109",
            "common_name": "Carpe miroir",
            "scientific_name": "Cyprinus carpio",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2017,
            "last_year": 2017
        },
        {
            "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": 2007,
            "last_year": 2007
        },
        {
            "species_code": "20597",
            "common_name": "Carassin doré",
            "scientific_name": "Carassius auratus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2023
        }
    ]
}