{
    "river": {
        "name": "La Charente",
        "course_code": "R---0000",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-11-07T09:10:33+01:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "last_year": 2025
        },
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            "observation_count": 1485,
            "individual_count": null,
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            "last_year": 2025
        },
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            "observation_count": 1395,
            "individual_count": null,
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            "last_year": 2025
        },
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            "observation_count": 1383,
            "individual_count": null,
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            "last_year": 2025
        },
        {
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            "observation_count": 1278,
            "individual_count": null,
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            "last_year": 2023
        },
        {
            "species_code": "2113",
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            "observation_count": 1155,
            "individual_count": null,
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            "last_year": 2024
        },
        {
            "species_code": "2071",
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            "observation_count": 1136,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2080",
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            "observation_count": 899,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2090",
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            "observation_count": 635,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2038",
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            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2122",
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            "observation_count": 303,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2221",
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            "individual_count": null,
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            "last_year": 2020
        },
        {
            "species_code": "2124",
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            "observation_count": 113,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2025
        },
        {
            "species_code": "68137",
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            "individual_count": null,
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            "last_year": 2024
        },
        {
            "species_code": "2193",
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            "observation_count": 47,
            "individual_count": null,
            "first_year": 1984,
            "last_year": 2025
        },
        {
            "species_code": "2191",
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            "individual_count": null,
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            "last_year": 2019
        },
        {
            "species_code": "2112",
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            "observation_count": 34,
            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2012",
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            "individual_count": null,
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            "last_year": 2025
        },
        {
            "species_code": "2050",
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            "observation_count": 17,
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            "last_year": 2015
        },
        {
            "species_code": "2238",
            "common_name": "Silure glane",
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            "observation_count": 16,
            "individual_count": null,
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            "last_year": 2022
        },
        {
            "species_code": "2195",
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            "observation_count": 14,
            "individual_count": null,
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            "last_year": 2021
        },
        {
            "species_code": "2135",
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            "observation_count": 12,
            "individual_count": null,
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            "last_year": 2010
        },
        {
            "species_code": "2123",
            "common_name": "Vandoise rostrée",
            "scientific_name": "Leuciscus burdigalensis",
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            "observation_count": 10,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2021
        },
        {
            "species_code": "2137",
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            "individual_count": null,
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            "last_year": 1995
        },
        {
            "species_code": "2151",
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            "scientific_name": "Esox lucius",
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            "observation_count": 8,
            "individual_count": null,
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            "last_year": 2021
        },
        {
            "species_code": "2216",
            "common_name": "Truite arc-en-ciel",
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            "observation_count": 5,
            "individual_count": null,
            "first_year": 2004,
            "last_year": 2025
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
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            "observation_count": 2,
            "individual_count": null,
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            "last_year": 2005
        },
        {
            "species_code": "2086",
            "common_name": "Brème commune",
            "scientific_name": "Abramis brama",
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            "observation_count": 1,
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            "last_year": 2007
        },
        {
            "species_code": "873",
            "common_name": "Ecrevisse signal",
            "scientific_name": "Pacifastacus leniusculus",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2022,
            "last_year": 2022
        },
        {
            "species_code": "2028",
            "common_name": "Ecrevisse de Louisiane",
            "scientific_name": "Procambarus clarkii",
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            "observation_count": 1,
            "individual_count": null,
            "first_year": 2002,
            "last_year": 2002
        }
    ]
}