{
    "river": {
        "name": "L'Hers Mort",
        "course_code": "O2--0250",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:59:59+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 8,
            "observation_count": 634,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2022
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 9,
            "observation_count": 511,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 8,
            "observation_count": 410,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2022
        },
        {
            "species_code": "2096",
            "common_name": "Barbeau fluviatile",
            "scientific_name": "Barbus barbus",
            "operation_count": 9,
            "observation_count": 270,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 9,
            "observation_count": 243,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "31135",
            "common_name": "Toxostome",
            "scientific_name": "Parachondrostoma toxostoma",
            "operation_count": 7,
            "observation_count": 179,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2112",
            "common_name": "Goujon indéterminé (Gobio)",
            "scientific_name": "Gobio sp.",
            "operation_count": 1,
            "observation_count": 75,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2124",
            "common_name": "Vairon indéterminé (Phoxinus)",
            "scientific_name": "Phoxinus sp.",
            "operation_count": 1,
            "observation_count": 30,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2090",
            "common_name": "Ablette",
            "scientific_name": "Alburnus alburnus",
            "operation_count": 4,
            "observation_count": 23,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2024
        },
        {
            "species_code": "2110",
            "common_name": "Carpe commune",
            "scientific_name": "Cyprinus carpio",
            "operation_count": 1,
            "observation_count": 12,
            "individual_count": null,
            "first_year": 2018,
            "last_year": 2018
        },
        {
            "species_code": "2191",
            "common_name": "Grémille",
            "scientific_name": "Gymnocephalus cernua",
            "operation_count": 3,
            "observation_count": 10,
            "individual_count": null,
            "first_year": 2014,
            "last_year": 2018
        },
        {
            "species_code": "20550",
            "common_name": "Carassin argenté",
            "scientific_name": "Carassius gibelio",
            "operation_count": 1,
            "observation_count": 5,
            "individual_count": null,
            "first_year": 2016,
            "last_year": 2016
        },
        {
            "species_code": "2193",
            "common_name": "Perche",
            "scientific_name": "Perca fluviatilis",
            "operation_count": 2,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2016
        },
        {
            "species_code": "2028",
            "common_name": "Ecrevisse de Louisiane",
            "scientific_name": "Procambarus clarkii",
            "operation_count": 1,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2024,
            "last_year": 2024
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2018,
            "last_year": 2018
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2008,
            "last_year": 2008
        }
    ]
}