{
    "river": {
        "name": "La Loyre",
        "course_code": "P32-0400",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-11-09T12:46:53+01:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
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            "observation_count": 1265,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2006
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
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            "observation_count": 1043,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2006
        },
        {
            "species_code": "2080",
            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
            "operation_count": 13,
            "observation_count": 838,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2006
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 13,
            "observation_count": 821,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2006
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 13,
            "observation_count": 620,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2006
        },
        {
            "species_code": "2012",
            "common_name": "Lamproie de Planer",
            "scientific_name": "Lampetra planeri",
            "operation_count": 13,
            "observation_count": 185,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2006
        },
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
            "operation_count": 8,
            "observation_count": 80,
            "individual_count": null,
            "first_year": 1998,
            "last_year": 2006
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 11,
            "observation_count": 45,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2006
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
            "operation_count": 12,
            "observation_count": 27,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2006
        },
        {
            "species_code": "68137",
            "common_name": "Ecrevisse américaine",
            "scientific_name": "Faxonius limosus",
            "operation_count": 5,
            "observation_count": 10,
            "individual_count": null,
            "first_year": 1998,
            "last_year": 2005
        },
        {
            "species_code": "2177",
            "common_name": "Poisson-chat",
            "scientific_name": "Ameiurus melas",
            "operation_count": 3,
            "observation_count": 4,
            "individual_count": null,
            "first_year": 1997,
            "last_year": 2006
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 2,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 1994,
            "last_year": 2005
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
            "operation_count": 2,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2004,
            "last_year": 2006
        },
        {
            "species_code": "2102",
            "common_name": "Carassin commun",
            "scientific_name": "Carassius carassius",
            "operation_count": 1,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 1995
        },
        {
            "species_code": "2088",
            "common_name": "Spirlin",
            "scientific_name": "Alburnoides bipunctatus",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2004,
            "last_year": 2004
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 1998,
            "last_year": 1998
        }
    ]
}