{
    "river": {
        "name": "Selle ou Somme",
        "course_code": "E6420600",
        "topage_code": null
    },
    "dataset": "species",
    "extracted_at": "2026-09-22T02:01:49+02:00",
    "source_note": "RivièreScope agrège des données publiques ; consultez /sources/ pour les producteurs et licences.",
    "data": [
        {
            "species_code": "2080",
            "common_name": "Chabot",
            "scientific_name": "Cottus gobio",
            "operation_count": 9,
            "observation_count": 844,
            "individual_count": null,
            "first_year": 2005,
            "last_year": 2025
        },
        {
            "species_code": "2221",
            "common_name": "Truite de riviere",
            "scientific_name": "Salmo trutta",
            "operation_count": 9,
            "observation_count": 454,
            "individual_count": null,
            "first_year": 2005,
            "last_year": 2025
        },
        {
            "species_code": "2012",
            "common_name": "Lamproie de Planer",
            "scientific_name": "Lampetra planeri",
            "operation_count": 7,
            "observation_count": 215,
            "individual_count": null,
            "first_year": 2005,
            "last_year": 2023
        },
        {
            "species_code": "2165",
            "common_name": "Epinoche",
            "scientific_name": "Gasterosteus aculeatus",
            "operation_count": 8,
            "observation_count": 65,
            "individual_count": null,
            "first_year": 2005,
            "last_year": 2025
        },
        {
            "species_code": "2010",
            "common_name": "Lamproie indéterminée (genre Lampetra)",
            "scientific_name": "Lampetra spp",
            "operation_count": 3,
            "observation_count": 35,
            "individual_count": null,
            "first_year": 2019,
            "last_year": 2025
        },
        {
            "species_code": "2247",
            "common_name": "Ombre commun",
            "scientific_name": "Thymallus thymallus",
            "operation_count": 2,
            "observation_count": 10,
            "individual_count": null,
            "first_year": 2005,
            "last_year": 2006
        },
        {
            "species_code": "2038",
            "common_name": "Anguille européenne",
            "scientific_name": "Anguilla anguilla",
            "operation_count": 4,
            "observation_count": 4,
            "individual_count": null,
            "first_year": 2005,
            "last_year": 2020
        }
    ]
}