{
    "river": {
        "name": "La Massane",
        "course_code": "Y0110540",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:10:33+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "2097",
            "common_name": "Barbeau méridional",
            "scientific_name": "Barbus meridionalis",
            "operation_count": 9,
            "observation_count": 927,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2025
        },
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 8,
            "observation_count": 926,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2025
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 8,
            "observation_count": 605,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2022
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 8,
            "observation_count": 580,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2022
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
            "operation_count": 9,
            "observation_count": 230,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2025
        },
        {
            "species_code": "31757",
            "common_name": "Chevaine catalan",
            "scientific_name": "Squalius laietanus",
            "operation_count": 1,
            "observation_count": 116,
            "individual_count": null,
            "first_year": 2020,
            "last_year": 2020
        },
        {
            "species_code": "2028",
            "common_name": "Ecrevisse de Louisiane",
            "scientific_name": "Procambarus clarkii",
            "operation_count": 3,
            "observation_count": 36,
            "individual_count": null,
            "first_year": 2012,
            "last_year": 2025
        },
        {
            "species_code": "2208",
            "common_name": "Gambusie de l'ouest",
            "scientific_name": "Gambusia affinis",
            "operation_count": 1,
            "observation_count": 28,
            "individual_count": null,
            "first_year": 2018,
            "last_year": 2018
        },
        {
            "species_code": "2124",
            "common_name": "Vairon indéterminé (Phoxinus)",
            "scientific_name": "Phoxinus sp.",
            "operation_count": 1,
            "observation_count": 17,
            "individual_count": null,
            "first_year": 2025,
            "last_year": 2025
        },
        {
            "species_code": "2133",
            "common_name": "Gardon",
            "scientific_name": "Rutilus rutilus",
            "operation_count": 2,
            "observation_count": 9,
            "individual_count": null,
            "first_year": 2014,
            "last_year": 2018
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 2,
            "observation_count": 2,
            "individual_count": null,
            "first_year": 2015,
            "last_year": 2016
        },
        {
            "species_code": "5208",
            "common_name": "Carassin doré",
            "scientific_name": "Carassius auratus auratus",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2013
        }
    ]
}