{
    "river": {
        "name": "le Palais",
        "course_code": "L8116400",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:57:03+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 3,
            "observation_count": 584,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2024
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 3,
            "observation_count": 404,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2024
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 3,
            "observation_count": 243,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2024
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 3,
            "observation_count": 222,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2024
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 3,
            "observation_count": 103,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2024
        },
        {
            "species_code": "2090",
            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
            "operation_count": 3,
            "observation_count": 96,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2024
        },
        {
            "species_code": "2131",
            "common_name": "Bouvière",
            "scientific_name": "Rhodeus amarus",
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            "observation_count": 77,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
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            "observation_count": 71,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2024
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
            "operation_count": 3,
            "observation_count": 47,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2024
        },
        {
            "species_code": "2028",
            "common_name": "Ecrevisse de Louisiane",
            "scientific_name": "Procambarus clarkii",
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            "observation_count": 33,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2024
        },
        {
            "species_code": "20550",
            "common_name": "Carassin argenté",
            "scientific_name": "Carassius gibelio",
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            "observation_count": 15,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
            "operation_count": 2,
            "observation_count": 10,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2021
        },
        {
            "species_code": "2129",
            "common_name": "Pseudorasbora",
            "scientific_name": "Pseudorasbora parva",
            "operation_count": 1,
            "observation_count": 10,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2086",
            "common_name": "Brème commune",
            "scientific_name": "Abramis brama",
            "operation_count": 2,
            "observation_count": 6,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2024
        },
        {
            "species_code": "2099",
            "common_name": "Brème bordelière",
            "scientific_name": "Blicca bjoerkna",
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            "observation_count": 5,
            "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": 1,
            "individual_count": null,
            "first_year": 2021,
            "last_year": 2021
        },
        {
            "species_code": "2177",
            "common_name": "Poisson-chat",
            "scientific_name": "Ameiurus melas",
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            "observation_count": 1,
            "individual_count": null,
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            "last_year": 2020
        },
        {
            "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": "2216",
            "common_name": "Truite arc-en-ciel",
            "scientific_name": "Oncorhynchus mykiss",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2080",
            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2021,
            "last_year": 2021
        }
    ]
}