{
    "river": {
        "name": "L'Aliso",
        "course_code": "Y7500500",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T01:57:01+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
            "operation_count": 8,
            "observation_count": 899,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2023
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 7,
            "observation_count": 262,
            "individual_count": null,
            "first_year": 2007,
            "last_year": 2023
        }
    ]
}