{
    "river": {
        "name": "le Nahon",
        "course_code": "K65-0320",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:53:36+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "scientific_name": "Rhodeus amarus",
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            "observation_count": 184,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2133",
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            "observation_count": 78,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2025
        },
        {
            "species_code": "31041",
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            "observation_count": 56,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2025
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
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            "observation_count": 41,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2025
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
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            "observation_count": 35,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2025
        },
        {
            "species_code": "2090",
            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
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            "observation_count": 18,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2025
        },
        {
            "species_code": "2080",
            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
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            "observation_count": 14,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2025
        },
        {
            "species_code": "2191",
            "common_name": "Grémille",
            "scientific_name": "Gymnocephalus cernua",
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            "observation_count": 13,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2025
        },
        {
            "species_code": "2125",
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            "scientific_name": "Phoxinus phoxinus",
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            "observation_count": 9,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2025
        },
        {
            "species_code": "2129",
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            "observation_count": 6,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2137",
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            "observation_count": 5,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2025
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
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            "observation_count": 5,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2021
        },
        {
            "species_code": "2193",
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            "observation_count": 5,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2021
        },
        {
            "species_code": "68137",
            "common_name": "Ecrevisse américaine",
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            "observation_count": 4,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2021
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
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            "observation_count": 4,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2021
        },
        {
            "species_code": "2167",
            "common_name": "Epinochette",
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            "observation_count": 3,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
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            "observation_count": 2,
            "individual_count": null,
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            "last_year": 2021
        },
        {
            "species_code": "2096",
            "common_name": "Barbeau fluviatile",
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            "observation_count": 1,
            "individual_count": null,
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            "last_year": 2020
        },
        {
            "species_code": "2084",
            "common_name": "Cyprinidé indéterminé (Cyprinidae)",
            "scientific_name": "Cyprinidae sp.",
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            "observation_count": 1,
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            "last_year": 2025
        }
    ]
}