{
    "river": {
        "name": "La Risle",
        "course_code": "H6--0200",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:52:38+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
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            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
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            "observation_count": 789,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 2006
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
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            "observation_count": 502,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 2006
        },
        {
            "species_code": "2080",
            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
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            "observation_count": 341,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 2006
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 12,
            "observation_count": 298,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 2006
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
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            "observation_count": 171,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 2006
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
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            "observation_count": 89,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 2006
        },
        {
            "species_code": "2167",
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            "scientific_name": "Pungitius pungitius",
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            "observation_count": 66,
            "individual_count": null,
            "first_year": 1996,
            "last_year": 2006
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
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            "observation_count": 59,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 2006
        },
        {
            "species_code": "2096",
            "common_name": "Barbeau fluviatile",
            "scientific_name": "Barbus barbus",
            "operation_count": 10,
            "observation_count": 49,
            "individual_count": null,
            "first_year": 1996,
            "last_year": 2006
        },
        {
            "species_code": "2165",
            "common_name": "Epinoche",
            "scientific_name": "Gasterosteus aculeatus",
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            "observation_count": 45,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 2006
        },
        {
            "species_code": "2012",
            "common_name": "Lamproie de Planer",
            "scientific_name": "Lampetra planeri",
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            "observation_count": 25,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 2004
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 6,
            "observation_count": 23,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 2002
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
            "operation_count": 7,
            "observation_count": 12,
            "individual_count": null,
            "first_year": 1995,
            "last_year": 2005
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
            "operation_count": 4,
            "observation_count": 6,
            "individual_count": null,
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            "last_year": 2004
        },
        {
            "species_code": "2010",
            "common_name": "Lamproie indéterminée (genre Lampetra)",
            "scientific_name": "Lampetra spp",
            "operation_count": 1,
            "observation_count": 4,
            "individual_count": null,
            "first_year": 2006,
            "last_year": 2006
        },
        {
            "species_code": "2086",
            "common_name": "Brème commune",
            "scientific_name": "Abramis brama",
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            "observation_count": 3,
            "individual_count": null,
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            "last_year": 1996
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
            "operation_count": 2,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 1996,
            "last_year": 2006
        },
        {
            "species_code": "2224",
            "common_name": "Truite de mer",
            "scientific_name": "Salmo trutta",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2003,
            "last_year": 2003
        },
        {
            "species_code": "2247",
            "common_name": "Ombre commun",
            "scientific_name": "Thymallus thymallus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 1997,
            "last_year": 1997
        }
    ]
}