{
    "river": {
        "name": "Le Petit Morin",
        "course_code": "F62-0400",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:57:07+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "observation_count": 644,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
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            "scientific_name": "Barbatula barbatula",
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            "observation_count": 535,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
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            "species_code": "2080",
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            "observation_count": 407,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
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            "species_code": "31041",
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            "scientific_name": "Leuciscus cephalus",
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            "observation_count": 110,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2113",
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            "observation_count": 53,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2023
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
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            "observation_count": 40,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2023
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
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            "observation_count": 33,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2023
        },
        {
            "species_code": "2167",
            "common_name": "Epinochette",
            "scientific_name": "Pungitius pungitius",
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            "observation_count": 18,
            "individual_count": null,
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            "last_year": 2017
        },
        {
            "species_code": "2165",
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            "observation_count": 15,
            "individual_count": null,
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            "last_year": 2013
        },
        {
            "species_code": "2012",
            "common_name": "Lamproie de Planer",
            "scientific_name": "Lampetra planeri",
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            "observation_count": 9,
            "individual_count": null,
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            "last_year": 2015
        },
        {
            "species_code": "2088",
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            "scientific_name": "Alburnoides bipunctatus",
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            "observation_count": 6,
            "individual_count": null,
            "first_year": 2017,
            "last_year": 2025
        },
        {
            "species_code": "2131",
            "common_name": "Bouvière",
            "scientific_name": "Rhodeus amarus",
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            "observation_count": 5,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2023
        },
        {
            "species_code": "2038",
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            "scientific_name": "Anguilla anguilla",
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            "observation_count": 5,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2025
        },
        {
            "species_code": "2191",
            "common_name": "Grémille",
            "scientific_name": "Gymnocephalus cernua",
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            "observation_count": 4,
            "individual_count": null,
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            "last_year": 2019
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
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            "observation_count": 3,
            "individual_count": null,
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            "last_year": 2017
        },
        {
            "species_code": "2096",
            "common_name": "Barbeau fluviatile",
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            "observation_count": 2,
            "individual_count": null,
            "first_year": 2025,
            "last_year": 2025
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
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            "observation_count": 2,
            "individual_count": null,
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            "last_year": 2013
        },
        {
            "species_code": "2086",
            "common_name": "Brème commune",
            "scientific_name": "Abramis brama",
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            "observation_count": 1,
            "individual_count": null,
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            "last_year": 2011
        },
        {
            "species_code": "2102",
            "common_name": "Carassin commun",
            "scientific_name": "Carassius carassius",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2017,
            "last_year": 2017
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2013
        },
        {
            "species_code": "2104",
            "common_name": "Hotu",
            "scientific_name": "Chondrostoma nasus",
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            "observation_count": 1,
            "individual_count": null,
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            "last_year": 2007
        },
        {
            "species_code": "2109",
            "common_name": "Carpe miroir",
            "scientific_name": "Cyprinus carpio",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2011
        },
        {
            "species_code": "2099",
            "common_name": "Brème bordelière",
            "scientific_name": "Blicca bjoerkna",
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            "observation_count": 1,
            "individual_count": null,
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            "last_year": 2023
        }
    ]
}