{
    "river": {
        "name": "La Vire",
        "course_code": "I4--0200",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-11-07T14:43:27+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": 2189,
            "individual_count": null,
            "first_year": 1979,
            "last_year": 2025
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
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            "observation_count": 2124,
            "individual_count": null,
            "first_year": 1979,
            "last_year": 2025
        },
        {
            "species_code": "2122",
            "common_name": "Vandoise",
            "scientific_name": "Leuciscus leuciscus",
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            "observation_count": 1871,
            "individual_count": null,
            "first_year": 1979,
            "last_year": 2025
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 36,
            "observation_count": 1116,
            "individual_count": null,
            "first_year": 1979,
            "last_year": 2025
        },
        {
            "species_code": "2038",
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            "scientific_name": "Anguilla anguilla",
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            "observation_count": 1014,
            "individual_count": null,
            "first_year": 1979,
            "last_year": 2025
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 36,
            "observation_count": 974,
            "individual_count": null,
            "first_year": 1979,
            "last_year": 2025
        },
        {
            "species_code": "2080",
            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
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            "observation_count": 919,
            "individual_count": null,
            "first_year": 1979,
            "last_year": 2025
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 26,
            "observation_count": 891,
            "individual_count": null,
            "first_year": 1985,
            "last_year": 2022
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 35,
            "observation_count": 265,
            "individual_count": null,
            "first_year": 1979,
            "last_year": 2025
        },
        {
            "species_code": "2220",
            "common_name": "Saumon atlantique",
            "scientific_name": "Salmo salar",
            "operation_count": 24,
            "observation_count": 198,
            "individual_count": null,
            "first_year": 1991,
            "last_year": 2023
        },
        {
            "species_code": "2010",
            "common_name": "Lamproie indéterminée (genre Lampetra)",
            "scientific_name": "Lampetra spp",
            "operation_count": 14,
            "observation_count": 184,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2025
        },
        {
            "species_code": "2012",
            "common_name": "Lamproie de Planer",
            "scientific_name": "Lampetra planeri",
            "operation_count": 27,
            "observation_count": 121,
            "individual_count": null,
            "first_year": 1979,
            "last_year": 2024
        },
        {
            "species_code": "2084",
            "common_name": "Cyprinidé indéterminé (Cyprinidae)",
            "scientific_name": "Cyprinidae sp.",
            "operation_count": 2,
            "observation_count": 67,
            "individual_count": null,
            "first_year": 2018,
            "last_year": 2019
        },
        {
            "species_code": "2123",
            "common_name": "Vandoise rostrée",
            "scientific_name": "Leuciscus burdigalensis",
            "operation_count": 1,
            "observation_count": 31,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2011
        },
        {
            "species_code": "2135",
            "common_name": "Rotengle",
            "scientific_name": "Scardinius erythrophthalmus",
            "operation_count": 4,
            "observation_count": 10,
            "individual_count": null,
            "first_year": 2002,
            "last_year": 2024
        },
        {
            "species_code": "2151",
            "common_name": "Brochet commun",
            "scientific_name": "Esox lucius",
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            "observation_count": 4,
            "individual_count": null,
            "first_year": 1993,
            "last_year": 2003
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2011,
            "last_year": 2011
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 1996,
            "last_year": 1996
        }
    ]
}