{
    "river": {
        "name": "L'Ay",
        "course_code": "V3530500",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:53:30+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "31041",
            "common_name": "Chevaine",
            "scientific_name": "Leuciscus cephalus",
            "operation_count": 10,
            "observation_count": 1186,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2113",
            "common_name": "Goujon commun",
            "scientific_name": "Gobio gobio",
            "operation_count": 10,
            "observation_count": 398,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2097",
            "common_name": "Barbeau méridional",
            "scientific_name": "Barbus meridionalis",
            "operation_count": 10,
            "observation_count": 377,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "2125",
            "common_name": "Vairon",
            "scientific_name": "Phoxinus phoxinus",
            "operation_count": 8,
            "observation_count": 142,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2023
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 10,
            "observation_count": 77,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2025
        },
        {
            "species_code": "68137",
            "common_name": "Ecrevisse américaine",
            "scientific_name": "Faxonius limosus",
            "operation_count": 7,
            "observation_count": 56,
            "individual_count": null,
            "first_year": 2013,
            "last_year": 2025
        },
        {
            "species_code": "2216",
            "common_name": "Truite arc-en-ciel",
            "scientific_name": "Oncorhynchus mykiss",
            "operation_count": 1,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2009,
            "last_year": 2009
        }
    ]
}