{
    "river": {
        "name": "l'Auxance",
        "course_code": "L24-0300",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T03:16:44+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "2050",
            "common_name": "Perche soleil",
            "scientific_name": "Lepomis gibbosus",
            "operation_count": 2,
            "observation_count": 32,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2026
        },
        {
            "species_code": "873",
            "common_name": "Ecrevisse signal",
            "scientific_name": "Pacifastacus leniusculus",
            "operation_count": 2,
            "observation_count": 4,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2026
        },
        {
            "species_code": "2071",
            "common_name": "Loche franche",
            "scientific_name": "Barbatula barbatula",
            "operation_count": 1,
            "observation_count": 3,
            "individual_count": null,
            "first_year": 2023,
            "last_year": 2023
        },
        {
            "species_code": "5073",
            "common_name": "Loche indéterminée (Barbatula)",
            "scientific_name": "Barbatula sp.",
            "operation_count": 1,
            "observation_count": 1,
            "individual_count": null,
            "first_year": 2026,
            "last_year": 2026
        }
    ]
}